Betfurry tokens are held by people because holding BFG gives them constant staking rewards. These facilities motivate gamblers to hold BFG. The BFG decided to use their own strategy. It's almost commonplace now so it's doubtful how successful new casino sites will be using these same tricks. Successful projects are always those that come to the market with new concepts and facilities. But copying the concept from another project does not bring good results
Have huge doubts that those staking rewards motivate anyone for a long holding. It is more like people better hold them, as they dont cost a lot and the amount they will get from selling wont be significant. Buying 100k BFG tokens ( around 1.7k bucks) will give daily profit of less than 2 bucks. Questionable motivation to me

Imho, BFG tokens are not about gaining rewards from staking. They are more like trifles, users support of their beloved casino, like a complement from a chef in a restaurant. You dont expect much, but receiving them creates warm feeling about the casino.