Supershuttle causes NYC frustration

I frequently use SuperShuttle in cities when I’m staying downtown and can either use transit or walk to my client. In cities like BWI I don’t have any issue with them. They take me where I’m going and pick me up when they are supposed to or call to warn of any delays.

I landed in LGA after an hour delay.
My cell phone died
I found the phones the reservation said to use and I called Supershuttle. i was on hold for about 10 minutes before finally getting someone.
I waited for 20 minutes for a shuttle to arrive.
Shuttle guy calls me so I hop on
Shuttle is filled to capacity
Driver is a maniac and cuts everyone off by making his own lane and just squeezing in
After an hour we finally got from LGA to the intersection of 5th ave and 45th (not sure how NYers say street names). The driver said I needed to get off.
He hands me $10. I’m confused. He says he wasn’t supposed to take me. He gave me back 2/3 of what I had prepaid and said I should just take a cab the rest of the way to near the Brooklyn Bridge!!
I knew I was far away and didn’t want to bother with a $$$ cab ride so I walked for 10 blocks down 5th ave before I found a Starbucks near the Empire State Building.
I charged my phone for a while and used google maps to get transit directions
found the subway station, bought the fare, hopped on the train, got off at the station
walked around for quite a while before finding my hotel (use google maps on my phone and just hoped it wouldn’t die before I figured out where I was going)
I wanted to hail a cab, but didn’t see any with their lights on.

…so, I left my house at 10 am and got to the hotel at 6 pm. Long day.