In an interview with Joe Rogan, Sean Carroll claims that of all the physicists on earth, there are perhaps one hundred who will admit to being interested in what the equations of quantum mechanics imply about what actually exists and the nature of physical reality. Showing too much interest can jeopardize a physicist’s career, and render him nearly unemployable if he specializes in that area.
The remaining physicists are happy to use the equations of QM without worrying about what they actually mean. Thus, they have memorized a set of algorithms and they become living proof of the truth that an algorithm, a set of instructions to answer well-defined questions, can be followed with no real understanding. This, unfortunately, is the case in the majority of mathematics classes, where students mechanically follow the equations while failing to understand what they actually doing or what the equations really mean. Students who never develop beyond this are incapable of making new discoveries or becoming real mathematicians. Just as someone could hypothetically follow driving directions, getting to the programmed destination, while having no idea where he was doing to end up.
Could this failure of imagination and interest be why nothing much has happened in physics for nearly a hundred years, compared with the early twentieth century and the rise of relativity and QM? Things like Higgs Boson, the God particle, were postulated long ago (1964) and merely experimentally confirmed with the collider.