Firstly, if we had Superman like Superpowers, pizza deliveries would become super super efficient.
Secondly, if we had Superman like Superpowers, thieves might get caught very very easily now.
Thirdly, if we had Superman like Superpowers, villains may get super nervous, they may pick up a new profession.
Fourthly, if we had Superman like Superpowers, Aliens may never visit planet Earth again.
Fifthly, if we had Superman like Superpowers, professional boxers may give up boxing altogether.
Lastly, if we had Superman like Superpowers, Superman may not have much work left to do, he may try to learn new skills.