What everybody needs to realize is that as much as they want the original multiplayer back there is no way they can have it back.
Most people do in fact realize that 343i's announcements have effectively permanently buried it. But that doesn't mean that they agree with the business model or won't complain about the decision.
To make the multiplayer again they would have to fix so many aspects of the game for it to work that it just wouldn't feel like it used too.
If you mean that in terms of the effect of netcode, I assure you that most people are aware that local multiplayer is pretty much always better than online multiplayer. The same holds for any game in the Halo series, and most games out there period.
Besides, 343i didn't seem to consider that an obstruction when they made online coop's netcode.
If you mean that in terms of the gameplay itself, I assure you that many people are fully aware of what Halo 1's MP gameplay is like. They are also, unlike yourself, aware of the fact that the balancing between Halo 1's weapons isn't really all that much different than the balancing of Reach's weapons were you to remove the power weapons, which as evidenced by many gametypes in Reach and many happy players of Halo 1 is not a huge disaster.
People complain about grenades being too powerful in reach. Imagine how many complaints there would be about the nukes of grenades in a remake.
There's a lot of factors that amplify that problem in Reach that you're ignoring. Reach's frags have extremely short fuses, Reach's movement speed is ridiculously low, the plasma grenades have extremely high sticking magnetism, and Reach's other weapons are far weaker in kill times than the weapons in Halo 1's sandbox despite the damaging power of the grenades being roughly equal.
Yeah, Halo 1's grenade scheme would quite possibly be a little ridiculous if dropped directly in the middle of Reach's sandbox. But you could say that about very nearly any weapon or vehicle that exists in Halo 1. Halo 1 is a very different game with a very different sandbox, and those differences need to be considered when considering problematicness of things.
And if you really want to play CE multiplayer again, go get Halo CE again. It never really went anywhere
Aside from LAN parties becoming more and more difficult to form.
Tunelling programs have sketchy results, and Halo PC, while rather nice, is a console port with bad netcode. Halo 1 isn't represented by any sort of highly available decent multiplayer scheme on its original platform.