I don't like the smell either. Going on a neighborhood walk on laundry day, I hold my breath to get past the worst offenders.
Dryer softener sheets don’t work, rodents have been observed using them for nesting material.
The automotive OEM used to use mice and rats in controlled experiments to determine wiring insulation palatability. This is not a new issue, it goes back 70 years at least. Whatever they are using in the insulation is the problem, they should dust off the work that was done long ago.
Using soy or any food based material will not help anything. Some kind of bittering agent is probably needed. I’ll bet that’s what GM and Ford discovered too. It’s really sad to watch everyone make the same mistakes over and over.