Well there are people who do spiritual practices and will expect that kundalini symptoms will arise. The other type of people do spiritual practices and don't know anything about the purification process.
Then there are the people that can experience kundalini and don't know what it is, and can have a hard time knowing whats going on. Thanks to the internet and open sources such as AYP, more people can identify what is happening to them and self pace.
Plus there are plenty of books out there on the subject it's just the case of separating the wheat from the chaff!