My guess is it’s just to save time so they don’t have to waste time going to the door and opening it for everyone who arrives.

You will have regrets for some of the things you didn’t do, but also some of the things you did. Choose the exciting risk over the boring comfort and you’ll have fewer.

This last line is such good advice

This is where docker becomes a godsend

I always try to cross the threshold as quickly as possible in an elevator

If I was the boss I’d consider the picture valid