"Ableism" happens when you assume all people have no disabilities, or you believe that disabled people should stay home, hidden from the rest of the world. It is a legitimate form of oppression and has been yielding real-life results all across the world, allowing people to leave poverty and uselessness and becoming productive, independent adults.  About weight loss, I believe they don't communicate because they believe feels > reals, so everything they believe is basically made up to suit their own anecdotal experiences. Some fatties become offended by other people achieving success, so they label it fatphobic. Some achieve moderate success and want to shove it down the larger fatties, so they claim it's not fatphobic. That specific ham took it a step further, by claiming another adjective against the larger fatties. It's common among Tubblrinas to fight one another, giant planets are always complaining that only smallfats (aka size XXXL) get cute clothes and stuff, etc.