It’s become clear to many that Red Hat’s recent missteps with CentOS and the availability of RHEL source code indicate that it’s fallen from its respected place as “the open organization.” SUSE seems to be poised to benefit from Red Hat’s errors. We connect the dots.
Maybe just not for corporate enterprise that wants phone and tech support? unless Debian has an Enterprise vendor? The PLM systems and other enterprise level software are certified on SUSE and RHEL, personally I haven’t seen Debian listed anywhere.
I know at least of Freexian. But also, Ubuntu tends to cover the “Like Debian, but with enterprise support” niche.