I mean that would be lovely for the price to go up but lets be honest with each other who wouldn't want to stake their fun tokens? I personally would not ever gamble with it, it's just too valuable for me, not because it is going to get higher in price, that's a good reason to hold it and one of the reasons why I buy and hold it as well, but my main reason is the fact that I am getting so many bonuses on this website thanks to having all kinds of extra fun tokens staked and locked here.
That is why not a lot of people gamble with it, I mean sure some do, but it could have been a lot more. If there weren't any reason to buy and hold it, then they would gamble it away but there are very great reason to hold it and that's why the number is not as high as it could be.
Inflationary tokens aren't good because the supply will further dilute their value. Stellar (XLM) was one example until it decided to change their protocol to stop the inflation.