I think it’s more because both fall into their category of sexual immorality. They consider both to be psychosexual disorders that people develop. And while they do think they’re related they think they’re related in that way, much like how depression and substance abuse disorders are related. And yeah it’s similar in their minds to “rapid onset gender dysphoria” which is actually just parents not noticing that their kid was struggling with dysphoria until they found support that helped them process it and come out