ClickHouse was open-sourced in 2016 and moved to an independent company in 2021, with no ties remaining with Russia or Yandex. Read more: https://clickhouse.com/blog/we-stand-with-ukraine/

Not only you. The company that I work for delivers software to government agencies. Dependencies like libraries or stack parts that are Russian or Chinese are simply banned. Even Harbor was rejected (and probably should be, as they provide a bunch of their own built Docker images, so you never know what your stack runs). I know "but it's open source" etc., and somebody may feel offended, but that's reality.

ClickHouse is a separate company registered in US and some part of it is owned by US-based venture funds.

Its open source, who care what longitude and latitude the steward of the project is physically based in ... copy the code and make your own thing up

Yes, that is really a shame, although it's been fully open sourced.

Yandex is aware of how the geopolitical situation is hurting them and are therefore building a new company called Double.Cloud, based in Europe, to work around the negative public opinion on Yandex, and thereby continue being able to sell Clickhouse cloud services.

Need to borrow a tin foil hat?

Isn't it all open-source?