Originally Posted by
JY1024
Could you explain? Don't bother because it's not much cheaper than taxis? Or there's too much traffic? Or there aren't enough drivers?

Not enough drivers. I've been to Munich twice this year - the first time, I took an Uber from the airport, but it took a while for him (15+ min) to pick me up. On my second trip, I took the S-Bahn to city center, which is a better idea anyway.
And in both trips, when I opened up the Uber app while in or near the city center, there might be one car, but it usually said "no cars available."