Why is EXO richer than BTS?

Could you elaborate on the factors that contribute to EXO being perceived as wealthier than BTS in the K-pop industry? Are there specific revenue streams, endorsement deals, or international popularity that set EXO apart? Additionally, how do the management strategies and business models of their respective labels play a role in shaping their financial success? It would be insightful to understand the nuances behind these comparisons and the potential impact of fanbases and social media presence on their overall wealth perception.