Individual Russian people may or may not want Western liberal democracy for any of a variety of reasons (they “not” side in part driven by regime propaganda), but those preferences are not controlling regime actions.
Putin likes to remind about this saying things like "Do you remember what the country was before I became the President? You don't want to return to that time, don't you?"
People in Russia want higher salary (median salary is $500/month) and reasonable mortgage interest rates (now it can be as high as 12%), not more democracy.
[1] https://en.wikipedia.org/wiki/Economy_of_Russia#Transition_t...
And more power, means more money for them, just like usual.
To disrupt Russian political establishment, you do same things you do to disrupt criminal gangs. Plain and simple.
Gathering all of NATO's paratroopers and sending them to Moscow will work too, but at a bigger expense