I guess the difference is that it's not a big deal for you and me to crap our pants, it's a different thing entirely for the president of the second most powerful country in the planet to do it in a press conference. Same with Biden's dementia: you aren't being ableist when you point out how ridiculous it is that someone with these ailments is president, it'd honestly be more ableist to pretend this is ok.

That asymmetry doesn't really exist for body shaming. Trump being fat doesn't mean anything more than you and me being fat. Him being gay with Putin doesn't mean anything (well I guess it would be pretty wild if he actually was gay with Putin, like for real, but you get the point; libs aren't trying to actually say anything about the relationship of the two leaders they're trying to get in on policing masculinity like chuds do)