That would still be general help.
Specific help would be more like “this boss has [x] attack pattern that has a big punish window after it, watch out for [y] though because it has a quick follow up”.
Aside from that though, your general help is still a step up from “git good” because it’s not so damn condescending. If your entire “help” is a sarcastic zinger you’re probably not helping at all.
Conflating fat people with bad people is pretty standard fare unfortunately.
I’ve struggled with my weight my entire life; I have a long history of being physically active while also being overweight. For example: I have a black belt in martial arts, which means I spent a decade of my life in a dojo three to five times a week exercising… while still fat. I don’t eat terribly either. My body just holds onto every fucking calorie.
But many many people have made shitty assumptions about me based entirely on my weight. The “personal responsibility” people are particularly obnoxious.
I was a kid in the 90s when every TV show had a stupid lazy fat guy as a cheap joke factory. That was super cool for my self esteem.