Hard to say Flock is the worst... There's a lot of competition. I'll throw Toka into the ring.
https://www.techspot.com/news/113395-flock-biggest-investor-...
https://www.techspot.com/news/113395-flock-biggest-investor-...
What’s next? $20m series B in ByBy, a horizontally integrated trash disposal, concrete shoe manufacture, lye bath, and pig farm operation?