There is the possibility that Trump just wanted his own platform to speak freely on. The idea of creating demand due to limiting availability doesn't always work though. I remember many years ago when I used to play MMO games online, at launch those types of games would be packed with queues but after a month or two the player base would go way down.

It's that whole first impression thing. Without pushing hard as possible, Truth Social will be no more popular than Parlor or Gab.