They are grifters taking advantage of boom and recruiting industry execs to head sales. They don't have any proprietary technology. The fact that private info was leaked in a fb channel by annotators in like south america shows that this company has little in the way of a meaningful product.

The irony is in their name "scale", laying off 20% would be ringing death bell for a company that actually operated leanly. They basically tried to copy mechanical turk