If they had an 8% margin, or expected to have one soon, it would be a great business. But you only get to those numbers using their non-GAAP metrics. None of that really matters/is surprising though, obviously investors know this but speculate that future growth and the changing market will one day result in real margins. Food delivery has been profitable on a small scale since forever, it definitely seems plausible that you could do it on a large scale and makes loads of money.