While Switzerland has higher median HHI than the US as a whole, the Bay Area in California does have comparable median household income.

In the Bay Area, Sonic does offer 10Gbps fiber internet in some places on new buildouts.

I struggled to find a use case for it, except as a WAN between a homelab and a remote datacenter where I could do crazy things like run an NFS server over the internet or stream training data to a GPU, etc.