Motivation of Putin is a little like Viagra, the original prescription was for angina. Nowadays it is sold for a well-known side effect. Same with his policies, it has caused an increase in the price of oil. So far, he has made an extra $3 Billion US this year. Not bad for a little sabre rattling.
Russia Oil Exports - 2021 Data - 2022 Forecast - 2000-2020 Historical - Chart - News (tradingeconomics.com)