If you don't see the future in alts, then it's worthless being in this space at all. It's a given that a lot of alts are worthless and won't serve any major uses. But you also need to understand that there are alt projects with use cases and real world application. There's a lot more useful alts than gambling and e-betting
Don't go further to gambling and e-betting, there's ETH already. Although prices are disappoint to have drown this low, speculation says its going to rise above like the phoenix from its ashes. Altcoins are made to have purpose of course unless its made for just making money like the shitcoins that are dead by now because of this bear market.