Regarding it as such, we miss the importance of the fact that the teachings are a necessity for all sentient beings. Because these teachings can resolve all problems ranging from those in our current lives to those in the future, including even those of birth and death. Buddhism's scope is broad and profound and regarding it as merely an academic field of study is frankly, another deviation. These two forms cause no serious harm to society. Religions try to encourage people to be good.
Philosophy strives to pursue truth and to gain knowledge.
The fourth and most recent deviation is Buddhism as a show. It consists of a few hours of music, singing and dancing with a short talk in between. However, the fifth form is a deviation that has gone too far, that of the distortion of Buddhism into a cult. This deviated form has appeared in the last thirty to forty years. The exploitation of Buddhism by evil cults has gone too far.