I think EOS was launched on Ethereum rather than on Bitshares because of network effect. That is just traditional economics. The old have to bootstrap themselves with the new. The same way Bitshares was listed at Bittrex, while Bittrex is not listed at Bitshares. Here is Wikipedia definition of network effect: A network effect is the effect described in economics and business that one user of a good or service has on the value of that product to others. When a network effect is present, the value of a product or service is dependent on the number of others using