Interesting:
Docs is the result of a joint effort lead by the French ๐ซ๐ท๐ฅ(DINUM) and German ๐ฉ๐ช๐ฅจ governments (ZenDiS). We are always looking for new public partners (we are currently onboarding the Netherlands ๐ณ๐ฑ๐ง). Feel free to reach out if you are interested in using or contributing to docs...
Yes, there is evidence. Did you read the linked post?
I wouldn't have any problems with it if it were just free open source software. But they also offer paid services. Internationally they do that through their Latvian based subsidiary, obfuscating their origin. At home in Russia their suite is renamed R7-Office, which is a reference to the first ICBM with a nuclear warhead. The release imagery also depicts the release of a rocket that looks like the R-7.