Although I've never been a fan of stagedooring, I don't think the practice in itself is 'creepy'. However IMO there's been a subgroup of fans that has been growing over the years who seem to think that the real show starts at the stage door & that actors owe them some kind of interaction there. These are usually the same people who demand pictures, selfies & autographs from cast members.
I've always felt an actor's obligation to the audience ends when the curtain falls after curtain call. That's it. In non-pandemic times if cast members are kind and gracious enough to exchange a few words or whatever after the show, great. Consider it a bonus.
In today's world, with Broadway currently in survival mode it seems especially foolhardy and selfish for theater fans to try and get photos or autographs when everyone's doing their damnedest to try and stay safe and healthy in order to keep these shows running.
"You drank a charm to kill John Proctor's wife! You drank a charm to kill Goody Proctor!" - Betty Parris to Abigail Williams in Arthur Miller's The Crucible