Well, I am glad to hear that you agree that all of these measurements that are the premise of GR are valid.
"All I'm saying is that the very premise of spacetime is being contradicted, if the argument is that space expands, but the speed of light doesn't increase to match. The "Constant" has been ignored to use this concept to try to save/patch Big Bang Theory."
All I am saying is that spacetime argues that space does expand because of red shifts. Spacetime goes on to say that, indeed, the apparent speed of light increases to match that expansion in a certain frame. However, GR stipulates without contradiction that the measured speed of light in any given inertial frame does not change. You somehow think this is contradictory.
However, there are special times like inflation and black holes where all bets are off and the universe is a patch job in these places.
Closer to home, the thousands of pulsars in our galaxy include hundreds with time accuracies better than atomic clocks. All pulsars have to be corrected by earth's orbit and earth's spin, otherwise their residual timing errors show these effects. All pulsars decay and some of those decay times have been associated with gravitational waves.
What intrigues me is that the millisecond pulsars decay in the range 0.007 to 3.4 ppb/yr with an average decay of 0.34 ppb/yr that is very close to 0.283 ppb/yr, the matter time decay constant. There are a lot of things that affect pulsar period and decay just like there are a lot of things that affect the period of earth's spin. Pulsar average decay, though, should show something special. Spacetime would say that is a gravity wave radiation, and so my interpretation differs from spacetime, but then, matter time has quantum gravity.
After all, earth's spin decay has been measured to be 0.28 ppb/yr, right in the range of pulsar decay and for the universal decay constant. And of course, the IPK mass standard also shows a similar decay, 0.285 ppb/yr. This is what I like to do. Take the data that has been interpreted as universe expansion and turn it into a shrinking universe instead. I don't deny the validity of the observations, I just disagree with the singularity of the interpretation.
My disagreements with spacetime are with interpretation and are quantitative and measurable and I accept the data as valid. Spacetime chases gravity waves right now and that is fine with me. When they catch up with matter decay, what they will find instead of gravity waves will be matter waves due to quantum gravity, something not quite the same. Matter waves explain dark matter and sun spot cycles.
