Perhaps because they’re owned by an investment company who now want their money back.
The timing seems right, Redhat is now owned by IBM, so setting SuSE free to compete with Ubuntu and Redhat might be a smart move. Ubuntu is doing their own thing in many respects, and IBM pretty much removed RedHat from the stockmarket, and pissed of some people with CentOS. Those CentOS users need to look for a new distro.