It isn't data, I can myself create same thing that '96% Canadians are in favour of joining to the UK'.

Data becomes data when it is real, not just made up.

Well, this 'referendum' can't in any way be more evidential than Ukrainian elections, just because it was contucted with military in polling places, under occupation (albeit peaceful), with no equal treatment of the opposing side (no pro-Ukraine narrative was allowed). And moreover, there are lots of discrepancies that implies those numbers were just written without even counting the ballots

Well, Ukraine wasn't ever as repressive as Russia, and in no elections those parties that supported uniting with Russia (note that this is not the same as pro-Russian parties) never had more than 7% of votes.

You don't know of any ethnic crimes of Stalin?

Here, read a few:

https://en.wikipedia.org/wiki/Population_transfer_in_the_Soviet_Union?wprov=sfla1

Your words aren't supported by any electoral or statustical data