It's not difficult for me. If Putin, or whoever, wanted to show me evidence that there are Neo-Nazi types in the Ukraine, and that they are causing problems for ethnic Russians, I could believe that.

That's a far crying from saying that the problem is so bad that you need to wage a massive two year war killing hundreds of thousands over Nazis? What sort of power do these Nazis have there? What are they doing to Russia/Russians?

They've been bombing and mortaring and politically suppressing and linguistically suppressing the eastern russian speaking provinces (and the small hungarian enclave in the west aint all too happy with their treatment either) for a long time.

Azov had been at war with them long before Russia officially came in in 2022

If you ignore the fake new official borders drawn up on maps by the west, like in Africa, and think more along actual nation lines, then yeah I do see why some of these fights start, and they had been at war with Russians before 2022. People don't like to be forced together, and when you do it, one oppresses the other. The swiss are 3 different nations who joined together voluntarily. The Ukraine is 3 who have been forced together, and they hate each other. Let them split.

Threat to Russia less so maybe depending on definition, but threat to Russians? Absolutely.