If the results were poor you wouldn't have adoption
But the argument is that people are using them because they can't afford to go to a real one, so conflating desperation to efficacy isn't a good argument, given it's that or nothing.
And we all know tons of people accept a turd product because they don't think they have a better option.
We have had chat bots since the late 90s. No one used them for therapy.
But they are now, which is the problem.