Objective reality does not imply consistent measurement of that reality.
Objective reality may not actually exist. Once you start throwing around relativity and quantum effects things get weird, getting them to play nicely together might be even weirder,
"Objective reality does not imply consistent measurement of that reality."
Yet global science converges on a consistent world view. Everybody's telescopes all see the same things.
Modern technology only works because there is a objective reality.
Museum piece for example. Or super sports car that was bought as an investment and just sits in garage. Or junk car that is used as a source of spare parts. Or crash test vehicle (it is propelled with catapult). Or toy car. Or bus used for living...