I think this could be the new trend, government taxing us, so this is not a surprised and seeing that Nigeria is one of the largest crypto market in the world, their government will have to look and find a way to get some "money" from their people.
We know that India already has also put a taxed, although if you look at it, if we pay tax, should we at least get some protection from the government?
Or this is the cost of being in crypto now? And we will never be free although crypto is a way for us to be out of the reach of these governments.