He's decent. No more than that. PSV snapped him up from heerenveen and he didn't amount to much.
A good winger or good player from PSV goes to a better side than Swansea. And for more money. Depay wijnaldum de Jong
He's got pace. That's pretty much it. 4m may be a bargain but he isn't going for 30m any time soon.
You should listen to our FIFA XX expert, you know nothing.