I
indianspur
Guest
Sterling < Eriksen
Lallana < Lamela
Rooney (in his current role) < Dembele
Smalling/Cahill < Vertonghen/Alderweireld
He has 4 teammates around him, but every other player is significantly weaker than he is used to in that role. Seeing as the bit Kane isn't doing well is the end product of possession, that means that any weakness in the chain before that will restrict/worsen and chances he has.
Kane is no more tired than the rest of the players in the tournament that have played a full season, people are just altering what they see to fit their own internal narrative.
Harry does not look up to pace, everyone can see it. There is no narrative involved. Sometimes it's ok to put club bias to one side and just accept the obvious.
No other striker in the squad has come close to the amount of games Harry has played in the last 18 months. It's normal to see a dip in performance levels and sharpness.
Also you make the point that Kane doesn't have the quality around him to supply him. But he has had Alli and tbh I haven't even seen them on the same wavelength and linking up, certainly not like they do at Spurs