under the supervision of a qualified doctor and a bio-engineer, sure, go for it. I think the guy you replied to was talking about a more "hacker" approach. And keep in mind no hacker worth his salt has ever gotten where they have in life without frying a few circuits or crashing a server.
"If at first you don't succeed, then hacking your own organs and/or skydiving are probably not for you"
I'm assuming that if there's a safe way to do it, there's also an unsafe way to do it even further ("crank it up to 11"). I'm sure it would be a really strong temptation for a lot of people. That's what I was wondering about in the comment. But yeah if it's safe, I'd be all for it!
Possibly because they will figure out a way to bypass any safety requirements and maybe hurt themselves which usually happens with most technology. People will attempt to dive into rushing water when they lose their phones.