Bayern are similar to Celtic in the sense that they pretty much have no competition all year round and their only fun is Champions League time when they get to play teams that actually compete with them.
Spoiler
I'm obviously not comparing the two teams on skill or attainment so please don't pick that out...
Pay more attention to Scottish football USE, in particular this season. As you can see, Celtic are struggling to compete in their own league.
Early days yes, but by now you would expect Celtic, (and in past seasons Rangers) to be a good 7-8 points in front of everyone else.
Oh and for those of you not up to date with Scottish Football, top of the league Hamilton only just got promoted back up after a four year absence.