"Einstein was interested in philosophy, therefore, philosophy is scientifically interesting"

The fact that Einstein and other physicists of his era were interested in philosophy in no way implies that contemporary physicists should likewise pay attention to philosophy. While it is true that in previous times, scientists were much more interested in philosophy, this was just because back then philosophy was more fashionable in the wider cultural environment. Physicists are not interested in philosophy anymore because they are wiser, not because they have become philosophically unsophisticated philistines.

"an interest in philosophy was just part of the normal intellectual cultural environment in Germany at the time. Today, things are quite different, and the stars of modern science are more likely to have been brought up on science fiction. ... the physicist who is a quantum mechanic has no more knowledge of philosophy than the average car mechanic. ... In this century at least, science has generally been totally unaffected by the philosophers of science, though some Nobel laureates claim that their work has been greatly influenced by Popper." (Lewis Wolpert, The Unnatural Nature of Science, 1994)