Probably possible yeah, but if the account gets flagged after users reporting it, they’ll need to get a new number afterwards, which isn’t that easy (at least where I live).
Where are you receiving these spam messages from? Random numbers aimed at marketing or what?
FYI, the Haven F-Droid repo has seemingly not been updated in 4 years. Latest available .apk is from 2019.
Probably possible yeah, but if the account gets flagged after users reporting it, they’ll need to get a new number afterwards, which isn’t that easy (at least where I live).