wouldn't really want Nader or Perot for CIC/pres but they had worthwhile things to say. our auto industry went POS no later than about '80,really sooner. Toyota had QC and customer satisfaction on the front burner for years, they were taught that early on by an American biz man. don't remember his name. it worked long time. one reason they stole the biz,among several. seems all their workers were down with that. in about the 21st they went back to the Detroit way and took a shit just like US makers. now everything is loaded with digital crap that can hardly be fixed at huge $s and is made to break. a lot of the shit is gov mandated for "safety" and the rest because US consumers want max convenience,babying and comfort. IMHO the only real auto improvement in the last 30years is gas mileage which does rise from injectors and comps,i know. prob could have been done with tech improvements of the "old" carb system. "striped down" models no longer exist. manual trannies are antiques almost.
Auto industry bent to Greenies/EPA heavily after the problems that arose in the LA River basin from the super-development of the greater LA area. Californians complained about the problems they created themselves by moving to a big basin (topographically) that could withstand about maybe 1/10th the population it had back then (1970s), air pollution wise and water demands wise.
When the auto industry was held captive in Congress mostly by John Dingell of Michigan, who pushed the Greenie/EPA line before the interests of the manufacturers in his state, most of the top command of fedgov admin, and of domestic economic matters, stood against Detroit and with Dingell. The industry was forced to kowtow.
From 1991-1994 I was an air quality planner and in that era, obnoxious/oppressive EPA stances on any pollution reduction were mockingly called "products of Dingellgrams".
So the blame for domestic autos going to crap sits with California kooks, green lefties in Congress and EPA, and a series of Admins who sided with Greenies/EPA over Detroit.
As to Nader -- not POTUS, that would not play to his strengths and would not appeal to anyone but the eternal crusaders for destabilization, a/k/a lefties progressives donkeys and marxists. His best role is that of watchdog. And, he's got to be mid-80s by now so a bit old.
The comically named DOGE entity fantasyland helmed by the South African Trustafarian, if you actually made an entity like that as a formal part of fedgov, that is what Nader would be good at strategizing and implementing.