because it ignores the fact that there are people with significant mental illnesses that have been failed by the status quo who are still able to receive help through therapy.

The comment only makes sense if you assume therapy is like the strawman presented in the greentext. Broadly speaking, there is widespread evidence that therapy is effective in helping people with mental illnesses survive and thrive in modern society. It's not just for liberal elites to chat about their first world problems, even if that group is most likely to be scammed by an unqualified therapist. Unqualified therapists do exist, just like there's shitty doctors and shitty dentists, because capitalism incentivizes shitty people to go into these fields for profit, but they're a minority in an underutilized and stigmatized system.