I tried to get back into using a bike last year but man… what ever leg muscles did the most work with biking were just so terribly gone I could only make it one lap around a small park in my neighborhood. Didn’t help that the bike seat dug in between the legs
I don’t think you quite understand the hold on culture barbie has. Though the two being such polar opposites of each other in vibe and tone likely did boost each other cause of them coming out at the same time.