For those unaware, Yandex is a Russian internet megacorp, think Google but in cahoots with the authoritarian government: cherrypicked news coverage friendly to the government, effectively a monopoly across multiple verticals (eg they bought out Uber in Russia), etc. In 2020, the year that deck seems to be from, they were already censoring their news feed [2] and tweaking search ranking to promote pro-government results [3] for years.
[1]: https://presentations.clickhouse.com/meetup40/introduction/
[2]: https://meduza.io/feature/2022/05/05/my-zamuchilis-borotsya in Russian, but google translate does a reasonable job
[3]: https://www.svoboda.org/a/30580605.html same