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There's a dumb argument I see and hear everywhere that goes "If lift is created by the air over the top of the wing following a longer path than the air below the wing, then inverted flight would have been impossible." I've never understood the logic of this argument, but I've also never tried to explain why the argument is stupid, so here goes.

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Images attribution:
Piper PA18150 Super Cub | RC Planeauthor RCModelPlane (https://www.flickr.com/photos/rcmodel...) (https://creativecommons.org/licenses/...) overlaid speech bubble
Photograph of a airfoil in a wind tunnelauthor unknown, released by Deutsches Zentrum für Luft und Raumfahrt (https://creativecommons.org/licenses/...) cropped, zoomin + overlaid orange dot
SPvortex (SchemppHirth Janus C glider)author Dhaluza (https://creativecommons.org/licenses/...) no changes

Video clips attribution:
Centriptal Force: Tennis Ball on a String by North Carolina School of Science and Mathematics (   • Centriptal Force: Tennis Ball on a St...  ), license CCBY
GIANT!! Spacewalker RC plane Wings & Wheels 2021 by BRAVO303 (   • GIANT!! Spacewalker RC plane  Wings ...  ), license CCBY
Inverted flying with FunCub by Hung Chuan Andre Tay (   • Inverted flying with FunCub  ), license CCBY
EF Edge 540 60cc Petrol RC Plane Bickley Model Club by BRAVO303 (   • EF Edge 540 60cc Petrol RC Plane Bick...  ), license CCBY
Chasing the upside down plane | FPV 4k footage by Kirek_fpv (   • Chasing the upside down plane | FPV 4...  ), lincese CCBY

Chapters:
0:00 The Dumb Argument
0:42 Wider Context that MUST BE UNDERSTOOD
2:01 Wing Loading and Angle of Attack
4:05 Principles of an Airplane Flying Upsidedown
6:06 How Lift is Created Let's Put This to Bed
9:42 Myth busted! (and disclaimer)