If it’s a commodity then it’s even more competitive so the ability for companies to impose safety rules is even weaker.

Imagine if Ford had a monopoly on cars, they could unilaterally set an 85mph speed limit on all vehicles to improve safety. Or even a 56mph limit for environmental-ethical reasons.

Ford can’t do this in real life because customers would revolt at the company sacrificing their individual happiness for collective good.

Similarly GPT 3.5 could set whatever ethical rules it wanted because users didn’t have other options.