>>43216385>>43216565>>43217079>>43217126>>43217140The Gothitelle line is based on Gothic Lolita Fashion, wich doesn't necesarily line up with the western idea of gothic and it has nothing to do with what we may associate with the word "lolita":
https://www.rebelsmarket.com/blog/posts/lolita-fashion-what-is-it-and-where-did-it-come-fromIt's anti-establishment, "you can watch but you can't touch", girls that embrace this fashion are rejecting the idea of becoming some housewife and living for their aesthetic.
If anything, it makes perfec sense for the line's theme to not be popular as a "waifumon". They wouldn't want to be that, they'll be themselves and not care what others think.