Clearly it isn't hard to convince investors that profit will be there, they've passed that (pretty low) bar with flying colors so far. The question on everyone'

Clearly it isn't hard to convince investors that profit will be there, they've passed that (pretty low) bar with flying colors so far. The question on everyone's minds is if investors are nuts (which they frequently are). By your numbers, the math they have to make work requires converting to Plus at 4x the rate that they currently do. A 4x increase in conversation rate isn't an optimization, it requires a complete overhaul of their business plan, and we've yet to see any evidence of them having a plan for such an overhaul.