Owners have been complaining about it for a long time, especially at certain superchargers. Tesla is well aware (from their stats) where this problem exists.

That's exactly what you're supposed to think. You've been PR'd.

They probably had this ready for a while and responded to a tweet when ready to deploy. I'm sure they get tweets like that one every day.

What I found really cool was the week it apparently took them to implement the change after he tweeted about it. Maybe they were already working on it, or maybe they're just that fast and agile. Either way like you said, pretty cool.