You would do the same in a randomly formed group? That is exactly what people do in dungeons, I do it and have seen countless people do it- clear content without giving a damn about the rest of the ****.
I can't comprehend what makes people think that traveling from a city to the dungeon entrance enhances your "content experience" because what happens is- 2 people mount up, travel and summon the rest, every single time, every. Throughout my leveling progress I did dungeons, lots of them and I do them at 70; the second so called advantage of disabling RDF was to make people meet up and make new friends, but it has gone the same way around just without the RDF. I have met some good people but literally 0 new friends who I'd even talk to in my spare time let alone consider exploring content with them, and that's after leveling 2 characters. I'm fairly certain there are a whole lot of people just like me. Disabling it has done nothing but hamper the overall experience- a lot of people give up forming groups because they cant find tanks, this has happened to me numerous times. And in many of those instances someone in the group was able to invite a tank from their guild or friends list- maybe a tank who would've joined the group but didn't because he wasn't on global/LFG or just not paying attention. The only debatable points about disabling the RDF I believe are the disadvantages of the extra XP and gold and can be retorted.
My point is that if the majority of people want it, it should be done regardless of maintaining its "hardcore" status, for that matter does disabling it make the server more hardcore, or just another hindrance in the playing experience.
While I do not have enough time to scroll around forums digging realm information, What I've seen around are forum posts basically from Obnoxious and others posting "This is a design feature, if you dont like it, this server isn't for you". Now I am unaware if a poll was conducted to identify the popular opinion of the players that actually play on the realm and then it was incorporated as a design feature of the realm. If that's not the case, how can it be said that its a design feature, I mean the players and server are here for each other. Just blatantly pushing a "feature" to the players without any concrete basis is unfair. I wouldn't like to debate whether it should be done or not, what I would like to question is if the majority of players that comprise the realm want it, would Warmane do it? Also, this is a beloved server, and I don't think this a make or break feature for most of the realm, which wouldn't affect the population of the server. A lot of people will still play if its disabled, even if they want it enabled.