Earlier quoted context omitted.
I think they say as much in the blog post, essentially "we were tuning for use but way over shot the mark and now people are dating out model".
I don't believe them.
That's an actively harsh response, pushing these people away from the idea GPT is in a relationship with them. So even if the initial tune was meant to increase the attach and retention rate their actions show they don't like the way it turned out to influence people who were using it as a friend/lover bot.