I am a girl, I like yaoi and I like yaoi shota. No interest in loli (very little interest in straight porn in general, no interest in yuri).
My favorite kind of yaoi manga is with delicate, cute, innocent, young-looking ukes, but I actually prefer when the characters are unrealisticallly looking high schoolers and young adults, rather than children (I guess it's not even shota in this case, more like fake shota since the charas only look young). I usually only like shota manga when it's in Japanese and I can't read the dialogue, haha, because this way I can pretend the shota chara isn't a dumb annoying child XD I just enjoy the pictures
I am attracted to very cute male characters (not low age), this is why shota draws me in-- the genre is full of super duper cute looking characters. Of course they appear in "proper yaoi" too -- like in Yuuwaku Recipe, where uke is 22 (but looks like middle schooler) -- but not often.
I am not pedo. I really dislike children in rl and prefer them to stay as far away from me as possible. The type of boy characters I love in manga doesn't even exist in real life. Pink haired super cute moe shota boys don't exist. For me shota boys are personifaction of innocence and cuteness, I don't see them as children.