I am convinced your general case problem is you insisting on exactly one story and that is "hit points mean wounds" end of story for you.
Actually no, but the problem is that I'm convinced that you feel personally offended every time someone tells you that 4e is not the perfect game system of all times whatever you want to play. That gets you in a defensive stance that makes it really hard to even just discuss with you.
As for me, believe me, I have integrated what hit points could be a long time ago, with its different variations along the editions, and it does not cause me any difficulty in general.
The number of times people shake or shout at ally in movies saying "No!!!! do not die on me now" and the subject starts getting flash backs of the good times or whatever and pulls back from a seeming brink., is very large. I agree it may have been only a seeming brink rather than a real one. Although given the eraticness of dying from shock maybe not.
Actually, from my memories, this kind of sentence just causes them to die instantly. Or it's used towards an engine, which is an altogether different problem...
Once again, I really like the concept of warlords and the narrative that goes with it. Although he has a lot of rogue in him, I love Mat from the Wheel of Time in his reluctant Warlord stance that gets so much results (he is the one who actually wins the last battle). Carai an Caldazar! Carai an Elisande ! Al Elisande !
It's just that (and again, it's just a matter of taste and weaving better in the narrative that
I envision) the modelling of 5e which still stiffens your resolve and allows you to continue to fight is better as it does not interfere with healing and dying at all. It's still martial and it concentrates on being only martial, it does not drift into other powers "zones of interest" just for the sake of making things equal (which, from another angle was a great benefit of 4e).
Are we good ?