the only acceptable answer is ..

'cause.

Of course you are correct, moon time is the correct time,
always has been, always will be.

It's just that there are so many idiots .. ahhh .. make that
... who choose not to see ..
that need to be converted, the task becomes to great
and folks are left with the existing system, .. (ready?)

'CAUSE ..
all the calendars have been printed out to 2025.

yes, once again .. we only need to follow the money.
(and Al dontGOREmeagain)