"In YC's case, if they don't like the look of you then you don't even get an interview." You have absolutely no evidence for these accusations, unless you have

"In YC's case, if they don't like the look of you then you don't even get an interview." You have absolutely no evidence for these accusations, unless you have data which you are not sharing with us. In a more serious discussion avenue, the post you've just made could be considered libelous.