Building an audience online is not a zero-sum game. There is plenty of people and attention to go around. Nobody has to lose so you could win.
Help others and they will help you as well. (But don’t expect them to help you and certainly don’t demand it from them.)
Appreciate and share the work of others, and others will appreciate and share your work as well. Lift up others, and others will lift you up too.
Simply put, helping others win will increase your chances of winning.
Hat-tip to Jamie Russo for the insight.