What has Kane got to do with anything? He is under contract and was happy to sign a 5 year deal on very good terms, tough sh1t if Levy holds him to it, Levy and Spurs have every right to refuse a transfer.
There is no comparison what so ever.
Same applies to Grealish, players are happy to sign big deals, but when they have a chance of an even bigger one with a transfer they spout all the usual I want medals, I want titles or the old favorite, I want to play in the Champions League.
Loyalty works both ways, players in my experience are greedy bastards who would jump ship purely for money.
Messi had a chance to join us last season but would not force the issue? why? I would guess it was down to money.