 Hinduism, tracing its roots back to around 3000 BC, represents a broad spectrum of beliefs and practices evolved over millennia. While Islam, founded in 610 AD, presents a more uniform set of beliefs and practices informed by the Quran and the life of the Prophet Muhammad. Yes, he's absolutely correct here in saying that Hinduism is essentially a compilation of different belief systems. Hinduism is a terminology that has been coined by the British during the colonization period. There is no real Hinduism, per se, it is not one religion. There are many different belief systems that then got labeled by the westerners as an ISM. With Islam, on the other hand, he is absolutely correct here, it is much more uniform.