This has nothing to do with faithful recreation since this is perfectly within the scope of making classic as they first announced it and continued to ask for discussion.
Remember that they are actually starting from the retail client and server, with the 1.12 data.
What they are really having to do is REMOVE things from retail in order to make them more Vanilla-like (aoe looting, instant mail, etc).
There are a couple of things that they have decided to not remove for CS reasons (loot trading), launch stability reasons (sharding), or user experience (color-blind support).
In addition, they’ve gone out of their way to ADD things that no longer existed in retail in order to improve the authenticity (debuff slots, spell batching).
But let’s not suggest they are going out of their way to ADD new stuff to the Classic client that is not authentic
The difference is that a lot of people are arguing that the technical changes required for Classic to exist, are justification for game systems to be changed. Loot trading in a Raid isn’t going to break my Classic experience, but removing DHKs will make it unauthentic and a change that doesn’t need to happen for Classic to be launched. Its simply because people who don’t like something demand it change.
That attitude is what gave us LFD, Cross Realm Zones, Merged Servers, and everything else we’re trying to get away from. Life is hard, but people are better off for the experience, instead of taking the easy way out.
DHKs might not be the perfect system, but they’re better than encouraging trolls to perma-kill the Barrens quest hub on a PVE server without consequence, because it gets them more “honor”.
“Honor”? I might be misunderstanding you. NPCs granting honor was completely removed much sooner than DHKs, and never re-implemented. My memory is a bit fuzzy, but I don’t think this lasted more than a couple weeks. Was that what you were referring to?
As for PvE servers… Well, you could always flag to stop them. I’ve heard it suggested that DHKs are appropriate for PvE servers, but not PvP servers. I tend to agree with that sentiment.