The passage in question (I tracked down the original article) says:
Susan Mott, a Burlington resident, told the committee the bill does not deal effectively with discriminatory practices by landlords in selecting tenants.She said she had been refused apartments because she is on welfare and has one child, even though she has statements by previous landlords that she has always made her rent payments.
I forget where I read it now, but someone pointed out that this is another example of white male privilege - neither a woman like Hillary Clinton nor a Black man like Obama would have gotten away with a history of neglecting their child(ren). This doesn't seem to bother Sanders' woke fans though.