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If Uber were coordinating this surge pricing with Lyft, I would agree with you. Or, if Uber driver's were all turning off their phones at the same time to artificially deflate supply to increase prices, yes that's price manipulation/cartel behavior.
But, Uber increasing prices during high demand, low supply periods in an algorithmic way that does not explicitly involve coordination with their competitor Lyft? That's not behavior we should be regulating.
Further, unlike Amazon, and unlike Facebook, Uber is a company that is not making money and actually has a somewhat meaningful competitor in most markets.
I am worried that you are missing the main point. What you said describes a world where Uber has employees and is not an ecosystem of independent contractors coordinating with each other.
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