I'm cool with online dating, in the sense of going to a dating site. Honestly, I never seriously considered the possibility of going to an anime and asian drama website to find single girls in my age range
But if you're single, and you like someone's personality, it is always fun to do some innocent flirting, no harm as long as you keep things light and don't take things too seriously. (I threw in that 'if you're single' part because sometimes people in relationships don't like to see their partners in flirty, fun relationships with strangers

)
I've met people from online dating sites, but I've never met an online forum-type friend before. No, wait, I did when I was in my teens, but that forum was completely local for the city I lived in, it was a small community with regular group IRL meetings, so it wasn't major stalker territory).
But I would never rule out the possibility of meeting someone, if I felt really comfortable with them and had known them for...well probably the better part of a year at least.