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a square has 4 equal sides, a rectangle has 2 short and 2 long sides

No, your heuristics are fucked.
You never even stopped to ask yourself how you can recalibrate your heuristics to be correct because your fucked heuristics are telling you that they are fine.

The correct formulation of what you want to discuss is "All squares are rectangles, but only some rectangles are squares".

But, instead of asking:
"oh, the Voat's official noticer said I was wrong, maybe I should doubt myself and figure out why I am wrong"
you doubled down on your ignorance.

We call your kind of people "NPCs".
Protip: When someone says you need to check your heuristics, you need to look up what a "huristic" is, then realize you don't even know what a "heuristic" is, because NPCs don't need heuristics.