When you're staring at an expression like a + b * c / d - e and your brain just... nopes out. Sure, you COULD memorize the operator precedence table like some kind of mathematical wizard, OR you could just throw parentheses at everything like you're building a fortress of clarity. The calculator might know its order of operations, but do you trust it? ABSOLUTELY NOT. Better slap those parentheses around every single operation just to be safe. Is it elegant? No. Does it work? Also questionable. But at least you know EXACTLY what's happening, even if your code looks like it's wearing braces on its teeth. Pro tip: PEMDAS is great until you realize programming languages have like 47 different operator precedence levels and bitwise operators lurking in the shadows.