Title should be "Working alone sucks for some people ". I've been working from home for years and love it, for instance.
However, if I've got my head deep in the code and some berk interrupts me with inane crap it feels like a physical slap in the face. I actually, physically "jolt". And this happens all the time in an office. So working from home by myself all day lets me focus on my work with no distractions, and I just make sure I get outside and meet people when I'm not working.