Is chess a rich sport?

Could it be argued that chess, despite its lack of physical demands and reliance solely on mental prowess, could be considered a wealthy sport in terms of the intellectual rewards and financial opportunities it offers to its top practitioners? After all, grandmasters and world champions often enjoy lucrative prize pools, endorsement deals, and even career opportunities beyond the board. Does the potential for financial success, alongside the cognitive benefits of playing chess, warrant classifying it as a 'rich' sport in its own unique way?