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there is still an amazing amount of intrigue around exploring the edges of F1 rules. from just the past 10 years, competitive advantages include double diffusers, exhaust blown diffusers, F-duct, flexible front wings, split turbocharger, tubulent jet injection, 3D printed pistons, blown wheel nuts, microdrilled brake disc vents, Y250 vortex generators, grapefruit juice smelling fuel, MGU-H/MGU-K tricks, and plenty of stuff that we don't know about yet..

True, but all these changes cost a lot of money and time.

I think it's more likely that the next season, everyone else would be doing the extra pedal thing too. That's kinda how F1 works. Someone comes up with an innovation, and the next season it's either banned or universally adopted.

There are plenty of ideas left but usually they get made illegal quickly.