My experience has been exactly opposite. You could not pay me enough to get me to use any Armorall
protectant type product. Perhaps their products today are better than they used to be, but I still have vivid memories of Armorall creating dry rot on interiors all through the '70's and '80's. It surprises me to hear you say you use it, because I thought you were about my age, and I know no one from my generation that has anything good to say about Armorall.
I have never had dry rot problems with 303. Not only do I use it on my tires, but on plastic trim, wiper blades, rubber hoses, rubber belts. I am a dyed in the wool 303 convert. I credit it with extending the life of these parts.
protectant type product.
Again, that has not been my experience. It survives a number of car washes for me. But then, I'm not a big fan of the super greasy, shiny type wheel dressings, so I'm not expecting that type of look to hold up.