I legit don't get it what's the end game here for Russians. What can they possible achieve by doing all these atrocities in broad daylight for everyone to witne

I legit don't get it what's the end game here for Russians. What can they possible achieve by doing all these atrocities in broad daylight for everyone to witness? I have heard their military doctrine is to escalate to de-escalate, whatever that means, they seem to be doing fine, so what's next?