I think you are very wrong. Ukrainians are very political, and always have been. Voter turnout in the last election was 75% (compared to 42% in the US).
Those who emigrate, for the most part, are those who have given up on their society. They aren’t representative of the populace as a whole.
There is a certain sense of resignation, in terms of how society changes, but all of these countries have gone through massive changes in a very short time span.