I've been using BEM for a couple of years now on a large scale project and I'm very happy about it. But BEM is only a way to organize your CSS on component level. If you need to organize your code on a higher level, you might want to take a look at SMACSS.
For further actions, you may consider blocking this person and/or reporting abuse
We're a place where coders share, stay up-to-date and grow their careers.
I've been using BEM for a couple of years now on a large scale project and I'm very happy about it. But BEM is only a way to organize your CSS on component level. If you need to organize your code on a higher level, you might want to take a look at SMACSS.