Te very first time individuals know is bitcoin, so the existence of bitcoin money will be described as a bitcoin imitation. I'm certain bitcoin money will be the same as altcoin and individuals make main concern is bitcoin.h
Yes the users of bitcoin are not much but increasing with a faster speed and I do not think that there are countries which do not allow their citizens to use bitcoin but almost all of the countries are open to the usage of bitcoin. Only a few countries has banned it in their countries but now they found that it is beneficial to use bitcoin so the citizens of that country are using bitcoin.