PSG are also under investigation by UEFA for violating the Financial Fair Play policy and if there is no retribution for that then it gives almost every club the permission to do the same. UEFA must be firm and act upon it even it means they are disqualified from further competition.
Yep, just Google how they paid for Neymar. That is a disgrace to football and should have been harshly punished.
But yea, that's modern football. World cups in football giants such as Qatar, more and more teams participating in the tournament and countries left in financial ruin once the circus goes away.