I'm sure the culture shock goes both ways though, as you say. Curious about your perspective on the the most bizarre / arbitrary things in the US?
Another easy one: the US has legalized political bribery to a degree that would (and has) landed many European politicians in prison for years.
You see, they block, then they notice that blocks do not work, they try harder. And still harder, till the situation comes to impasse, when to try harder means to shut off the Internet. It stops there, everyone is using some kind of DPI resistant VPN, paying more for internet access, and ISP spending more to block what politicians deem worthy of blocks. A pure waste of money. Though datacenters are happy, because they host a ton of VPNs.