If Christianity can be expressed in all languages and cultures, then it is also true that it doesn’t belong to any particular language or culture. No one can say that they own the Christian faith.
It would be easy - very easy - for a Western rationalist to dismiss all of this. I'm a biologist, I know what causes diseases!
There are a number of conclusions that you can draw from these incidents; but the idea that the Holy Spirit always guides in a clear and unambiguous fashion is not one of them!