I'm using Linux. Never got any support not puzzled by this. Most if the time I am on my own, ansd most of the time I get more info from google than from any IT support...
OS: kubuntu
Phone: pixel with grapheneis + pihole
Browser: FF (+ublock)
Search engine: searx (hosted by non profit)
Kocation: off
Cookies: avoid when possible
Mail: Infomaniak
Collab software: next cloud
Etc.