I sympathise with the fact that Debian considers itself the "universal operating system" but there are limits and the Debian developers have to consider the impact of their support decisions on their major consumer: the Linux OS. The Linux OS is the first and primary OS they should support. And as Michael says, to stay relevant, Debian needs to meet the needs of a modern and dynamic OS. That's why I want to see systemd supported and considered first-class in Debian, my OS of choice.