I think it all depends on the community, since a big community can pull up a good volume, also for exchanges.
I have mentioned that an exchange allows vote listing. This means that if the community of that coin has gone through a voting process through the exchange and they really want to see that coin listed on their exchange, then the demand will be given by that exchange.
But usually, this doesn't mean that it's already a good exchange, some exchange that allows this has a history of issues.
The voting is also not easy to win sometimes a coin giveaway a free coins just to have some vote from that exchange. Even you make a giveaway the question is are the user will be interested for your giveaway. If you not the listing then it will just stay there until you win the voting competition.