Because of the recession, because of the expectation of quick victories, because of ambitions
Sometimes war is used to distract from internal problems. The struggle for resources (oil, gas, water, rare metals) intensifies. This is especially noticeable in regions with unstable politics. Very often wars begin when a country's leadership believes that victory will be quick and cheap. For example, Russia-Ukraine. Sometimes countries start a war when they believe the international situation is favorable to them. Like the USA-Iran or USA-Venezuela. Regional conflicts and escalation. Like India-Pakistan, Israel-Gaza Strip, Cambodian-Thai conflict, Afghan-Pakistani war.

After the end of the Cold War in 1991, the world became less predictable. Previously, two superpowers — the United States of America and the Soviet Union — restrained each other. Now several centers of power are emerging: China, Russia, the USA, regional powers like Iran and Turkey. When forces are distributed among many players, there are usually more conflicts.
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If we are talking about the purchase of obsolete equipment, then yes. If we are talking about the production of semiconductors with 0, then no.
Lack of specialists. There is a critical dependence of the design and production processes on foreign technologies, including software, and materials (in particular, high-purity chemistry and silicon). Low investment attractiveness of the industry. Lack of production capacity.

3.19 trillion rubles will be enough only to buy obsolete equipment. ASML spent $6 billion a year to become an industry leader. But she had specialists, there were no sanctions and there was no urgent need. In the current situation, the amount needs to be tripled.
Media: according to the concept of the national project, 3.19 trillion rubles will be allocated for the development of domestic electronics until 2030
The government has designed electronics
Problems of Electronics 2030: Acute Shortage of Personnel: There is a wild shortage of personnel in Russian electronics. Specialists need good salaries, but there is no chance of their growth
Accuracy 30
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Until 2060, Christians will remain the largest religious group. By 2060, Islam will become the main world religion that will take the place of Christianity. 3.23 billion Muslims and 2.99 billion Christians.
The main reason for the rapid growth of Muslims is a high birth rate, and not the departure of people in Islam. Moreover, the main driver of this process will not be the countries of the Middle East, but ... India and the USA. India - due to the rapid general increase in the population, America - due to mass immigration. The number of Buddhists of the world is expected to remain approximately at the same level due to a low birth rate and aging of the population in countries such as China, Thailand and Japan.

This is just a forecast based on current demographic trends. In the future, various kinds of scientific and technological revolutions may occur, which will affect the worldview of people in a completely different way. It also does not take into account the consequences of wars taking place on the planet. If we take into account the consequences of wars, then Hinduism will come in second place.
The Future of World Religions: Demographic Growth Projections, 2010-2050
Why Islam will soon become the largest religion in the world
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No, this is just propaganda, the same as the use of nuclear weapons, and statements like we haven't even started a war yet.
Belarus has already faced sanctions for helping Russia, and if it had entered the war directly, the sanctions would almost certainly have intensified. The Belarusian army does not have enough power for large-scale offensive operations. An attack would cause heavy losses with limited results, the risk of attacks on the territory of Belarus and being drawn into a long war without control over the outcome. There have already been protests in the country against participation in the war. Direct participation could increase the discontent of the population and increase pressure on the government, as well as create a risk of political instability.

In the long run: participation in the war would almost certainly worsen the situation of Belarus. For the state and the economy: rather disadvantages (sanctions, risks, dependence). For the government: short-term advantages (Moscow's support).
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