It is embarrassing that probably you are not aware on how ironic and stupid your comment is, since the web was started at CERN
https://en.wikipedia.org/wiki/History_of_the_World_Wide_Web#...
so you might want to update your limited general knowledge or comment only on topics you really know what you are talking about. You see cookies because
1 the website wants to track you
2 the website ad-partners want to track you
3 the web developers are idiots and don't know that non-tracking cookies don't need a NAG popup
BTW GDPR is more then cookies, it is applied in real life too. Also it has benefits like forcing websites to implement a delete my account functionality too.