What you've listed here is not what russia lists as a reason for attacking Ukraine. And even if it was, it's still really shitty pretext.

Yes, these are very much among Russia's pretexts.

There were others as well. Most have at least some basis as well. For example:

https://en.wikipedia.org/wiki/422nd_Unmanned_Systems_Regimen...

And yes, it is still a really shitty set of pretexts.