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That's a legal requirement in most all countries now, so they don't really have a choice. >

Not sure about the rest of the world but it’s law in the UK. Websites need consent to set cookies unless they’re essential for the website to function.
The people building the websites hate it as much as you, but it does give you the option to protect your privacy a bit more :) >

There are plugin for most browsers that will automatically make your selection for you (reject all etc) - been a game changer for me! >

If that were to happen eventually the site would get sued by someone who didnt want to accept any kind of cookies on their phone or p.c