Most gambling sites have lowered the minimum bet amount or have gotten rid of this restriction completely, and for a reason. Although all of them want to have as much high rollers as possible on their sites, they know well that the vast majority of gamblers are not high rollers.
Few people can afford betting $2 in BTC at once. If you want to see numbers much higher than these:

you have to reduce the amount of the minimum bet.
Smaller bet sizes would be great for a lot of gamblers we can win the jackpot with little risk but those numbers aren't bad for a gambling site that only started 2 months ago.