In some ways they left the 4e people out in the cold, and yet now they are failing to seal the deal with those on the opposite end of the spectrum.
It seems unfair to make this kind of sweeping statement based on a few posters, and I cant believe anyone imagined 5e was going to attract all D&D players.
I just don't feel like supporting a company that pretty much ignores the martial healing concern. I don't want that company to thrive. I'm not even going to buy minis from them. It's total Wotc boycott. All because they couldn't include one or two options to avoid martial healing. Yet on the other hand, we do have optional rules for Thac0. Wow.
What you have only seen is the basic core rules not the modules that can be tacked on yet you're willing to make that judgement call now? Seems a little harsh. You're welcome to ignore the HD mechanic and the Fighter Class Feature - Second Wind if you do not like those Martial Healing Mechanics.
Plenty of people don't utilise all the rules of an RPG game - happened a lot with 1e and 2e (encumbrance, spell components, spell interruption, tracking arrows, casting times, alignment...etc). There was still fun to be had.
When I compare C&C to D&D 5e, here is how I see it.
1. Vancian casting - Point to C&C
2. No Martial Healing - Point to C&C
3. No Dissociative Mechanics - Point to C&C
4. Big Feats - Point to D&D 5e.
5. Fast Play - Tie. Both are fast.
6. Skill/Proficiencies System - 5e is not to my liking and C&C doesn't have one. TIE
7. Backgrounds, Bonds, Flaws, etc.. - Point to 5e
While it appears close I believe the fact 5e is trying to extinguish my playstyle tips the balance to C&C.
Just eliminate the HD mechanic, limit the endless cantrips by bringing Fatigue into play, remove the much talked about DOAM. To be honest we have done all that and more. I do like C&C's SIEGE mechanic. Without 5e we probably would have migrated to either e6 or C&C with some 3.x & 4e influences.
I've toyed with writing my own game. Maybe that ultimately is the way to go.
The way I see it, we choose the most suited & flexible core system which aligns with our playstyle - and by flexible I mean that its easy to customise. Certainly for me I have found 5e to be that system.
1e and 2e are too basic.
3.x/pathfinder are too labour intensive for me as DM.
4.e does not meet the playstyle of our group.
5e is at its core basic, not labour intensive and can meet our playstyle as it is flexible.
We are all writing our own game. We just have a little help from WoTC.

I'm sorry you feel so bitter about it all.