Do you have a source how funding yandex funds the war? Yandex is a great search engine, so I would hate to find out that this is true
https://en.wikipedia.org/wiki/Yandex#Legal_issues_in_Ukraine https://www.zois-berlin.de/en/publications/zois-spotlight/the-sad-fate-of-yandex-from-independent-tech-startup-to-kremlin-propaganda-tool
It's based in Russia so it presumably pays taxes and salaries in Russia.