It had product-market fit. But, was a no-margin business. Although Uber is the same, it makes it up with surge pricing. Still, it was a good try and I am sure some startup will figure out a business model in future.
Many people said their product wasn't very good, in the last HN thread.
Yup. They grew well but their quality didnt scale with them. I imagine their churn was horrendous, because when I left their platform there was nothing to try and recapture me.