That issue is not exclusive to Linux though. Try hard enough and you can brick anything. And sometimes you don’t have to do anything at all to end up with a brick.
One time that I was really glad for having a backup pc, was when I build a pc with the first generation Ryzen cpu: The pc had no display output after putting it together. After wasting much time with double checking everything, I decided to do a bios update, which solved the issue. I couldn’t have done so without my old laptop at hand. Moral of the story for me: always have a backup pc.
I expect the €799 to include vat, while the $699 will be without. $930 /1.25 = $744, which is a lot more reasonable. Sony using the same sale price for the whole eu when each country has different vat rates, is probably because of profit maximization. Too many people only look at the first digit in 799.99, so no matter if after currency conversion + vat the price is €720 (20%) or €762 (27% in Hungary), they’ll just slap on the sale price of €799.99.