Growth didn't slow down. It's negative now. 

What's a normal user? A greedy boring dim-witted one trick pony who thinks they're great cause they just found out about something released in 2009?

What's missing the most? Support for other cryptos and not the pile of shit lightning. Spam prevention systems. Bug bounties. Better clients. 

The number of users who are really interested in censorship resistant communication is small, so Twitter scale is a pipe dream. Still there is demand. Fuck the social media shit. Uncensored e-commerce is lot more useful. 

Fedi got funding by hosting furry porn. That's another possibility. Do you want it? 😂