ssishtar wrote: I for example, as a player who actually seen Kelthuzad dead in 2006
I stopped taking your even remotely seriously right there. Don't make exceeding outrageous claims without even the slightest shred of proof. I bet you can't even name the very small number of guilds that had the honor of that kill, or even who was first to accomplish it. How about the infamous faked world first Screenshot? Who did that? Did you honestly even play Vanilla? This is a pretty open and accepting community, you don't have to lie to kick it here.
That said, you completely misunderstand the content in vanilla. Literally nobody progressed to the point where they had nothing to do. I spent my time in Vanilla on Mal'Ganis-US where 60-70% of the guilds whom ACTUALLY killed KT resided. I had a small number of friends among those guilds, some I talked to and grouped with daily. Not one of them ever expressed distaste with the game, or boredom, or apathy with content. It was understood, when KT was downed, that either Hyjal, Kara, or Uldum would be next (until BC was announced a few months later at Blizzcon, after activision bought Blizz). A content patch was expected. The guilds that did have him down continued struggling with him well after their initial kills. Not one guild in the entire world had him on a farm status, and only a very, very small handful of people got their rings, or Atiesh, or even Ashbringer quests. He as well as many other encounters caused considerable turmoil for guilds whom the week previous had just cleared the same content. Forget altogether swapping team members to gear others, as even one small change to the roster meant relearning the encounter all over again.
Content was never an issue for WoW. Expansions where always the issue. Blizz did originally plan to do what you are suggesting, and release content for the areas they had already designed in the game, Such as Udum, Karazahn (as well as the Crypts), Hyjal, and maybe even some other areas they released in later expansions such as Quel'Danar, and Gilneas though they never stated that at the time. I would still like to see what Blizzard had planed for those places, originally, but since that team is gone, and only 2-3 devs from it remain it is lost to time. I assume that the community, much like myself, would never trust the current team at blizzard to do these content patches justice, nor would I want them to attempt it. I would never feel like it was good enough simply because it was them who had done it.
Once Activision acquired Blizzard it became all about the bottom line. Content patches can't be sold, it's just not the way things were back then. Expansions were the only way Activision was going to get back their investment on the franchise at that time. So they changed the entire plan. They announced an expansion, hastily wrote lore for it (that didn't make much sense), pushed through with developing a small new world, transplanted an already developed raid encounter and increased it's difficulty while simultaneously making it a 10 man, Aded a couple Ony clone encounters, then bide their time while they tried desperately to develop a few content patches to hold us over. Until they could force us to buy another expansion a year later. That worked phenomenally for them in the monetary sense, and they have stepped up the game repeatedly ever since then.
As much as it disappoints me, and the rest of the community, Legacy servers, and your proposed content patches for them doesn't make Activision any money. They don't care about the subs, they never did, Blizzard keeps most of that money, and Activision never gets to see it. They care about the sales. That's how we wound up with expansions to begin with. That's why Blizzards business model changed over night when they sold out. That's why they specifically chose to make the old content obsolete each and every time. It was entirely by design. It's profitable. Crating content patches for Vanilla was not.