Epicycles were brilliant math.

If the premises are flawed, all the 'shut up and calculate' is just 'garbage in, garbage out.'

If intergalactic space expands, why doesn't the speed of the light crossing it increase proportionally, in order to remain Constant?

In current cosmology, two metrics are being derived from the speed and spectrum of the same light. Given it is an expanding space and not tired light theory, speed is still the denominator.

What if your accountant could just write in a figure and call it Dark Money, whenever he finds a gap in the books?