High Functioning Fool

Someone who possesses intelligence or creativity and uses those abilities to come up with clever or inventive methods for engaging in foolish things

Although she was hailed as a genius in her field, the renowned scientist's eccentric experiments often showcased her identity as a high functioning fool.

A: "Have you heard about Professor Thompson's latest project?"
B: "Oh, you mean the one where she attempted to create a perpetual motion machine using rubber ducks and bubblegum?"
A: "Exactly! It's mind-boggling how someone so accomplished can come up with such bizarre and impractical ideas."

B: "Well, she's definitely a high functioning fool. It's like she puts all her intelligence into finding unique ways to do foolish things."
A: "True, but you can't deny her ability to think outside the box. It's just a shame that her brilliance is often overshadowed by her unconventional choices."