If we consider the performance of Man United in the last season, I'm not really sure about the potential of Amorim to improve Man United. Moreover, I see there is no effort to rebuild the defense line. Amorim only focuses to improve the attacking line by buying 3 over price players (Cunha, Mbeumo, Sesko). If you said there is no good support from Man United boss, Amorim couldn't buy those 3 new attackers. I think it is not about the support from Man United boss, it is about the preference of Amorim to rebuild which line. He is expected to strengthen the defense line, but he used the funds to rebuild the attacking line. So, I can understand that many people who become impatient with Amorim because he makes an unexpected way to build Man United team.
I would be happy if Manchester united management took the necessary step to strengthen their defense. Because Manchester United's defense is relatively weak.
Despite that , Manchester United have added three very talented forwards to their squad. Bryan mbeumo and Cunha in particular have experience playing in the Premier league platform. They are familiar with the Premier league style of play. Bryan Mbeumo scored 20 goals and 7 assists with Brentford last season. Cunha scored 15 goals and 2 assists in the Wolves jersey. On the other hand Sesko is a very promising player. If Amorim can use Sesko perfectly , Sesko has the ability to score a lot of goals.