If the network effects are strong enough and he is able to put in place the rules necessary to elevate the level of discourse, this is a bold idea. Maybe they

If the network effects are strong enough and he is able to put in place the rules necessary to elevate the level of discourse, this is a bold idea. Maybe they can't be as big as facebook, but 100 million users paying $20 a month (assuming he could raise it because the quality of conversation would be so high) would be more valuable than the current ad driven model, even with more users. If Musk can create a trusted high-quality content social network at scale, lots of people would join it.