There are two points to answer this question. First is that the majority of russian population supports the war, and the number of russians that are anti-war now but can become supporters of an aggression as results of these strikes is negligible.

Second, the opinion of citizen does not count in russia anyway. It is an opinion of oligarchs and people in control that matters. Putin and his cronies are in their 70s and will go away soon. Whoever replaces the fuhrer and his clique needs to understand that messing with Ukraine is very costly affair. The more destruction is unleashed on russia now, the less bellirigent it will be in the future.