FWIW I have been diagnosed as not ND.
Earlier in my life, I had what I used to call "nervous tummy" before social occasions, sometime so much I could not go, or was physically sick. I didn't make eye contact until my teens, and only the reason it changed was because I trained myself to do it.
I interrupt, blurt out, say the wrong thing professionally and get people's backs up. I overcommit and procrastinate, come home burned out from back to back meetings and life admin and time with my loved ones is what suffers.
All this hurt me professionally but from feedback I learned to be aware of it, to bite my tongue and approach both people and planning in more effective ways, and when I fail at managing it to recognise it, to accept that whatever I messed up at was important to someone, and most importantly to take responsibility for doing wrong and apologise to that person.
Even so, I am late for meetings, late to follow up, late late late and constantly feeling like I'm running up a down escalator trying to outpace all the mundane tasks and create space to achieve what I think I should be capable of.
So, one of two possibiliities: either I actually am ND, but am also proof that these challenges can be managed and IME at least life is better for it, or I'm not ND and therefore proof that NT people can have crippling challenges in many of the same ways as ND people.
I would like the posters on this thread who think ND challenges are more significant than NT ones, or require accomodation that NT people don't, to consider this.