I played New Vegas vanilla for 143 hours and completed 100% of the achievements across multiple PC configs and I only encountered probably 10 scripting glitches- easily understandable with a game of that complexity and easily remedied by carefully paced manual saves and maybe 5ish crashes to desktop- again completely understandable with how far the engine is being pushed and easily remedied with carefully paced manual saves. Perhaps you installed some of the mods in an incorrect order or fashion?
It seems like you are trying to just push an agenda though to be honest.
What in god's name does "you are trying to push an agenda" mean? I just think that not acknowledging broken ports and buggy games as such and giving the people responsible a free pass does harm to consumers and the medium.
I really think you should not jump to conclusions-accusations as well. You are one of the two folks I had on my ignore list and I guess it was for a reason.