It's still low by historical standards: https://fred.stlouisfed.org/series/FEDFUNDS
So the current Fed policy is not in fact indirectly subsidizing ride sharing.
(Video) https://www.bloomberg.com/news/videos/2017-09-27/what-yellen...
These rates are moved slowly and incrementally. You can't just raise the rate 3%.
That video in your link says nothing about keeping rates low, its about the nature of inflation.
Now, you can argue that that is in part because a rapid increase to non-low rates would be disruptive given the status quo ante, but that's a justification for keeping rates low, not a rebuttal to the claim that that is what the Fed is doing.