actually finiacial issues did kind of but the biggest reason was that each memeber had different opinion about their music, jang woo hyuk, tony , jae won wanted a dancing crew, Kang ta wanted ballad with vocals only and Moon hee joon wanted to be come a rocker himself. financial was the minor issue because their former CEO, lee soo man, who holds Sm town, basically takes 90% of their income, so they wanted to separate