The seats are assigned. People have been standing in line for 15 minutes now. Why on earth would anyone want to stand there, when they could just sit and wait until the line clears?
I understand wanting to get off a plane ASAP, but boarding? You just end up sitting on the plane, waiting for everyone else to get on.
I literally chill til the very end of boarding before I get on. Like you said, my seat is assigned, it ain’t changing, and I’m packed light enough to put my backpack under the seat in front of me. Sometimes people don’t show up n I sneak into a better seat 🤫. I’ve only ever been called out for that on Frontier, they know the hustle apparently. I’ve never bothered trying 1st class or anything, but I’ve gotten some middle seats to transform into aisles that way.