The people that don't want Ambles accept our mediocrity.
Do you honestly think that he would produce at a 5* level if he came here?
With the right coaches and the right discipline, yes. At the least, he could prove to be a great backup. Regardless, you take (possibly) elite talent when it wants to come in, as long as he knows who the boss is.
The difference between this situation and recruiting is that, if he wants to be here, he'll make the necessary adjustments, not the other way around.