Until the early 1970s, no one could see any relevance of these curious objects to what one might call everyday physics.
The fact that we have an arrow of time is a direct consequence of the initial cosmological conditions. Since we appear to be living in a forever-accelerating universe, the entropy will continue to rise, leading eventually to a cold death.
Jacob Bekenstein and David Eichler are world-renowned astrophysicists. They are also religious Jews. I have known them for decades, but I suddenly realized that I had never actually talked to them about whether they see any conflict between their religious beliefs and their scientific views.