Tav, for every Aldridge or Vardy you could point to a Valencia or Moses. All clubs are offered players and some turn out to be great buys some turn out to be duds. Its a game of chance. Do we take a chance on him or pass it up. That's what the successful clubs are all about, they are the ones that have been more successful in the transfer market than the others.
Take Hugill for example, we were prepared to take a chance with him, he didn't want to come for whatever reason, QPR got him and got him scoring, he could have come here and flopped, that's the chance you take. Its not all about the players ability, it can also be whether he settles in the area or into the club. It can also be about his personality and if he fits in with the other players in the dressing room or even as simple as does he impress the manager.
Its no use crying over spilt milk. Players can be successful or failures at any club and trying to compare how they would have done for us is meaningless as they never came. After all, we once made an offer to Guardiola, would he have been any better than what we had at the time...……. who knows.