The route share option, which does sound like a minibus/dollar van, is interesting.

I've tried the current basic share option and it's not great, and I say that as someone who used pre-pandemic UberPool. You typically don't save much off a standard UberX ride, it's only available for exactly one person, the arrival estimates are wildly optimistic, and if the other rider isn't in the car they seem to never be ready when you get to their pickup location.

It's unfortunately, but the current pricing model seems to attract passengers who really don't want to be paying for an Uber but at least this way they can save a couple of bucks, which means they're typically in a stressful situation. Very different vibe from the old, social and wildly cheap UberPool, but that probably was never sustainable.