This exact suggestion (and many, many others very much like it) have been brought up time and time again...
https://vatoto.com/forums/topic/22605-tag-blacklisting/
https://vatoto.com/forums/topic/22952-hide-genre-from-comic-lists/
https://vatoto.com/forums/topic/6521-upgraded-random/?hl=%20random
and yeah, I didn't even have to look at your example to know what was there........it's always yaoi and shounen ai with the other "girly" categories of shoujo and josei thrown in just for good measure >_<
- Chocolate Chip, Kusuo and udarnel like this