Now it is very difficult to organize commutiy aroud token ecosystem without the listing on exchanges because people do ton trust tokens without the listing.
It is very important that token will have a good liquidity, to have a good liquidity it is important that tokens will be traded on a big exchange.
It's too early to talk about liquidity at all ... even those altcoins that have been trading for a long time and on large exchanges do not have normal liquidity.