No, its not. Its against standards outside of the Washington Treaty that some member countries have suggested for membership, specifically to justify delaying the membership process for Ukraine and Georgia.
The present invasion seems to have shifted EU/NATO opinion among governments against Russia and toward Ukraine (and other states under Russian threat), perhaps most significantly in the places that have been most friendly to Russia and reluctant to support the countries they are threatening (Orbán’s Hungary, for instance), so that non-rule excuse may or may not continue to be operative.
Moreover, nobody asked Crimean nations anything. They are shot or moved to Siberia.
And I have bad news for Dumbass: Russia annexed Dumbass and eliminated independent Dumbassian nation.
Well, they voted in a 2014 referendum.