Do the magi cards have verifiable meanings? Have the claims of astrology been proven? Does anyone really benefit in any discernible way through paying attention to any sort of metaphysical counsel?
Decide these things for yourself as you look around. For many it is all in fun, just entertainment. Others want to give it more respect.
It can be hard to take Astrology seriously at times, like when the realization hits you that Charlie Sheen would be a Virgo if there were anything to it