Western sanctions on Russian oil did significantly financially hurt the Russian economy for awhile, but using the methods in the videos below, Russian found various ways around the sanctions to significantly mitigate their effects (However, Western nations are working on countermeasures in order to attempt to potentially once again have more effective sanctions which are mentioned in the video directly below). Realistically, sanctions alone will not prevent Russia from funding the war in Ukraine.
- Why sanctions won't stop Russia, December 2023
- The Shadow Fleet Fueling Russia’s War, December 2023
Russia/Vladimir Putin pointed out that Western sanctions have financially hurt Western countries (See: Ukraine War: Putin says sanctions have hurt Western countries, 2022).