Of course neymar in the current market doesn't worth 220M.
But that's his release clause. That's all.
As for all the fuss over Neymar these past few days, if PSG wants to end up banned from EU competitions till 2050, they can do it.
That deal is either incredibly stupid (for neymar, because PSG is trash compared to Barca, and for PSG because spending 220M on 1 player would just make them earn the the title of biggest retarded club ever)
or
Incredibly shaddy, and PSG will get burnt hard by FFP. If people really think that Barca, Juve, Manu, and especially Bayern that hates clubs like PSG will stand still, and wait, they are dreamers.
But if PSG wants to destroy their club, up to them.