You have to try it on yourself. When you are doing bounties in bull market then it is very profitable and if it is profitable, then you are doing your bounty job well. But in the bear market you are so tired and bounty campaigns are not making you happy 
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It doesn't matter which situation of market will you be able to join bounty campaigns. If it is bull market then you can make big profits because of the higher prices/value of major coins but if you do bounties at bear market then it is doesn't matter if you can have low profits, the important is you make profits our of doing bounties instead of doing nothing and wasting your time on useless things..