Why should that be?
You can set up light process/habits to keep track of one's doing on a daily basis. Like a short sum up at the end of the day to keep track of what your fellow developers did and will do.
Been a few years working remotely, no one ever had problem with me and never had problem with anyone. Or if there was, it was detected fast.
I've worked remotely at a few jobs. I think if you can't be trusted or aren't getting your work done because of at home distractions, then it's super obvious.
We're a place where coders share, stay up-to-date and grow their careers.
We strive for transparency and don't collect excess data.