The biggest risk for normal folks is maybe getting accused of tax evasion, or something simliar, somewhere down the line when the information is inevitably collected and processed.

correct. there is no on-chain connection and strike doesn't know, unless it happens to be a fed a there is a subpoena, however that is probably not very likely with small amounts...but who knows really

Correct, Strike is KYC along with all other US, at least, payments besides cash

Not many private ways to pay besides cash by mail or in person. Strike may be the most easiest though

GM HODELL