Anything that challenges the established order is labelled controversial. First they ignore you, then they laugh at you, then they fight you, then you win. Bitcoin is currently on step #3.
Yes unless you have something to proved!it is normal to labelled Bitcoin as contraversial bec of the way it was created and many find it unusual.and the legalities is also being questioned ,but yes it is true Bitcoin remain out there in the market and popularity is growing in!