most bounties offer token rewards that end up having none or little value ...
This campaign actually rewards you in $ZCL which is already trading on major exchanges like Bittrex, Cryptopia and Trade Satoshi

https://coinmarketcap.com/currencies/zclassic/#markets

What's more is the distribution will happen 2 weeks prior to the fork... With ZClassic's low supply, the price has shown to shoot up significantly before a fork event. ( see FEB 2018 ) 

https://coinmarketcap.com/currencies/zclassic/#charts