why do we have to have a proven PL striker? But if you want a list Id have Salah, Vardy and Mane over Kane for starters....Haaland, Dybala, Lewandowski at least from outside the prem areothers that id have over him....Kane is not the be all and end all and neither is the prem league.
The comparrison between Sergio and Kane is very relevant as its Sergio we are trying to replace....so it cant be more relevant.
However Id take a fit and firing Aguero even at his age over Kane (problem being his fitness - Agueros that is - though there seems to be some suggestion in some places that Agueros lack of appearnaces last season wasnt just down to a lack of fitness or at least that he may have been available more than suggested (though that could be bullshit of course)
And Im not sure why you are saying that they are two different type of players...every player is different but in terms of role in the team (striker) they are the same