Yes it's possible and why not? If the project has already listed on exchange site means the project has credibility and intention to develop the project. The crap project will always leave the project after it gets listed on the exchange site. Buballex is a good manager too.
but we also have to look at where the tokens are listing, if only listings in a few small markets are unlikely if they will also leave the project. Yes indeed he is a good bounty manager but sometimes the projects he handles don't pay for hunters