Plenty of people (rightly or wrongly) are confident in their ability to prevent accidents. Or, at least, confident enough to be skeptical of the tradeoffs involved with these assistive systems.
If I had to choose between a car that has high survivability in a crash versus a car that how worse survivability in a crash but has a few assistive systems that can prevent some crashes (which, mostly, I already prevent by paying attention), I'd choose the former every time.
It literally is not. Both are crash safety systems, active and passive, respectively. The active category also includes things like ABS and ESP.
> (which, mostly, I already prevent by paying attention)
This is an extremely well researched area (car crashes cause trillions in dollars of damages annually and therefore get a lot of attention) and not to the support of your stance.
The ones that are less great are the attention sensors they mandated in last-year's models. I test-drove a Kia EV3 a couple of months back, and they've set that sensor up so that even a brief glance at your instrument cluster can ring the attention chime...