I think there's a Leeds tax with their young players. They always seem to be more hyped than anyone else's. It's an outrageous fee they've got; seen it reported as high as £40m in some places with Rodon also going the other way. Mental.
He might be amazing, or he might be the next Fabian Delph, Lewis Cook, Jack Clark etc who were all equally hyped up before going on to be decent Premier League players at best.
I also think it depends on the clubs situation, big parachute clubs can hold out for the big bucks where as we have more stringent finances due to FFP.