That’s how people use it, whether you like it or not. I did not invent the language, but that’s how people use it.
Saying “guys” on its own is also not the same thing as “you guys” in regions that do this.
You can shoot the messenger all you like but it is what it is and I have no power over how people in a region use a language, I am merely informing you of that fact.
“yall” is obviously not the problematic part of that sentence