Agree, but I’ve asked and the response was that while it may appear obvious, they must be meticulous in their analysis of all related prior decisions and arguments because they both very much want to make the right decision and they don’t want their decision overturned of challenged. This, and that they are bound to decide only on what’s in front of them, is also why they don’t rule on certain cases, because they don’t present all of the issues in a way that allows them to rule on what they think is the underlying issue.
Also, busy for government workers, you know what I mean.