No.
I read the images from the Webb put current cosmological theories at risk; and current cosmological theories depend on the universality assumption.
“I read the images from the Webb put current cosmological theories at risk; and current cosmological theories depend on the universality assumption.”
I have heard/seen info related to the strength of gravity and dark matter arguments from hubble data but not the speed of light.
The phenomenon in the article was known in the 1800’s and researched (mathematically) by him.
No conflict with his theories.