Perhaps I'm missing some secret brilliance, but it would appear there are no product managers at LastPass. If there was even 1 minimally competent PM at LastPass that actually used this product they would not allow this nasty issue to persist for years.
To illustrate: https://www.screencast.com/t/0vBZIYqD
Because of this, I suffer from needless password failures when I can't copy and paste.
This is so dumb I'm going to direct my IT department to look for alternatives to LP.