And, just for context, Vik was cheaper than Kai. Not that the price really matters.
Even Mbappé struggled in Madrid at first. Chill, people. Our team is a wreck, yet we top the PL and CL tables. Gyökeres is as much a part of that as anyone else, and he's fresh off the boat.
Let it all work out, and if it doesn't, blame Arteta, not the players. They're good enough, I'm sure of it.