I'm sure 99% don't? Unless your abuser is a CS major
I am 100% sure that some do, thanks to firsthand life. And any doing it, is enough to get people dead, even if 99% don't. And yes, CS majors can be abusers, too.
[0] https://www.esafety.gov.au/key-topics/domestic-family-violen...
https://www.npr.org/sections/alltechconsidered/2014/09/15/34...
It’s so prevalent it even has a name.
https://en.wikipedia.org/wiki/Stalkerware
Don’t underestimate an abuser’s ability to find a way.