Yep, I was all against the price increases until my 4080 arrived but I understood at least part of the rise when I picked it up. It weighs nearly twice what my 3080 did and that was itself huge compared to all my previous cards. If TSMC raised prices on chips by 30% and the build costs had to rise to make these behemoths, then I could understand a 50% increase in the end product (i.e. £700+350= £1050 for a 4080.)
Sadly they are still even higher than that which is where I think they are just trying to be greedy and to force sell through of the remaining 3000 series cards by making them seem better value until stock runs out.