The worst Manchester United manager of all time?
It's hard not to be overly zealous after such result, but no, he's not.
Moyes didn't do anything right, ruining everything that he has touched. Solskjaer was a great interim manager, did some good stuff as a manager but eventually overstayed his welcome (by quite a lot). And he was never good enough to manage us, sadly. The team is in a better place now for a good manager to do something about it than it was post-Moyes, van Gaal & Mourinho.
If we're talking about his overall legacy, he's still a legend of the club and will remain one regardless of anything that's going to happen in the future. As a manager — yeah, it's not very good.