Re: Is bit-rot a real phenomena? - SHOULD
Macs will already auto backup if connected to a network, either wired or wireless so long as you have time machine setup
Indeed. Just don't bother trying to restore a specific file from 6 months ago unless you have a small geological era in which to do it..
(Apparently, Time Machine is going to go over to APFS at some point which, hopefully, will result in the death of the current cobbled-together kludge).