I'm as eager to anyone when it comes to holding companies accountable, for example I think a lot of the body dysmorphia, bullying and psychological hazard of social media are systemic, but when a person wilfully hacks around safety guards to get the behaviour they want it can't be argued that this is in the design of the system.
Or put differently, in the absence of ChatGPT this person would have sought out a Discord community, telegram group or online forum that would have supported the suicidal ideation. The case you could make with the older models, that they're obnoxiously willing to give in to every suggestion by the user they seem to already have gotten rid of.