I think a lot of people are just no-longer posting on LJ. Minx certainly isn't, and the Concept, but a lot of folk still have journals in both places. I kept my LJ because some of the comms that I followed outwith the HP fandom don't seem to have located here. I agree with you about the strikethrough debacle. It totally pissed me off too. But as I never had a paid journal I just left things as they were and just post in both places.
I followed the great Snarry fests over the past couple of months - there was some great reading! But never really got around to friending folk after the first couple of sessions on pheonix_flies. RL just got too busy for a while.
I agree with you totally about Drarry, I do read it, I have even written quite a bit. But I am really a Snarry girl, and yes, Snarry shippers are older and often more mature. I think my list of all time great Snarrys is much longer than the Drarry ones and some of the greats are just awesome!! They are the ones that I go back to time and time again. Even my favourite Drarry seem to have Sev as a sort of mentor/father figure LOL - I think I am obsessed with our Sev!
Anyway I have a couple of days off work, so your meme came at just the right time for me to make some more friends as I have time to comment and add folk.