The recent wars, Ukraine and Israel, have been more prolonged than people expected, and have had less economic (stock market) impact. Is…

The recent wars, Ukraine and Israel, have been more prolonged than people expected, and have had less economic (stock market) impact. Is it because they're wars by modern powers, democratic powers, who are perhaps more controlled or maybe more check and balanced? Are wars in Africa and Asia (Myanmar) as contained, or would they be if they had the same access to technology?