The main reasons are probably regulation and effort&#x2F;difficulty to serve.<p>Assuming you are a US citizen, I highly invite you to come over to Switzerland and try and open a (savings) account if you wish to experience it in person. I&#x27;m currently living here, and talking to my US colleagues, I&#x27;ve found that it is near impossible for them to open an account, even though they would bring money to the banks here.<p>Reasoning? Issues of the US with the Swiss banking system has made these customers more of a pain than a benefit. I&#x27;m sure a similar argument can be made for people who (perhaps accidentally) have a bad credit score