I'm familiar with the noone writer. :-D

I think some are because English is a second language, but some are just plain bad, and some are lazy, and some are probably dyslexic. And I can sympathise with all of those things... even the lazy ones because the return on your efforts here can be terrible. But also, some of these people do have huge followings, which makes me:

(a) jealous, and...

(b) think well, perhaps they're writing appealing stories, despite the mishaps!