He deserved it - he got too many chances to turn the season around but failed, no way anyone was retaining their job after the season he had. Winning a lucky Europa league doesn't change anything. The worst they have had in the last 10 years.
Yes, the other side of the medallion is just like that. He failed the team on their objectives in his first year. In his second year he managed to qualify for the Champions League but the position he finished the Premier League was enough for Levy to sack him with immediate effect.

But I still don't like Levy's management model. He doesn't look like he is really aiming big for the team.
I don't trust players coming from Bayer and Leipzig Kai Havertz, Nkunku and Timo Werner taught me a lot.
Unfortunately these names all turned into much worse players when they came to the Premier League. It is correct. But I still have hope for Wirtz here.