Thank you everyone for interesting and enlightening replies.
I should just clarify that; My main toon (necro), has basically t1 gear, except for the hat and one other item. My Hox has 3 epics and rest are Khitai rares and my shitty sin has some rares from todays normal. I don't have Unbinding Charm for my Necro and I think it takes over 400 hours to get it, or a lot of pvp. My sin doesn't have tainted weapons yet (I assume it's a must for a rogue).
I'm also already in a guild, but we can't really do guild Hard Modes that much these days. It's summer and people are busy with their real lives. I've really enjoyed my time in the guild and I like the members too. They used to take my Necro to Hard Modes, but thanks to time differences and the fact it was during the winter time, I was practically zoning out when we were doing those. (Fighting against a H.P. Lovecraft monster at 3 am is a pretty weird experience). Kara Korum still weirds me out. So I can honestly say that I am a semi-experienced player.
So, I don't join those groups that require exp and AA, because I don't want to lie and waste other peoples time. I've seen how upset people can get even during a normal mode, if everything isn't running smooth and up to their expectation. The other day we had a necro that kept kiting and a Pom that kept pulling the mobs... Rest of the group couldn't do anything until these guys were dead.. I thought it was hilarious , but I guess other people didn't.
I guess what I'm trying to say, is that well... People seem a bit uptight. They want the optimal , sort of performance from their group and don't have patience for much of anything else. Where as my attitude is; -Well let's try a hard mode, who cares if we wipe? It could be fun anyway. I guess I will be doing some more normal modes then, not a big loss. They are fun as well.