Unlike OldCoot's daydreams, General Relativity
and the second law of thermodynamics are falsifiable.

The Scientific method, can be ( and is ) applied to them;
it's not random metaphysics.

Cosmically, empirically, entropy always accrues.
Cosmically, empirically, unponderably, 4-D gravitational fields exist,
and they can't be blocked ( i.e. pressure doesn't build up ).