yea, maybe.
So they think that NXT is kind of against BTC & al. 
Isn't the case more like so that all cryptocurrencies are on the same side and USD, euros, pounds, etc. are on the other side?

Usually it is a good thing to have a new member or competitor in the area, which is new for customers. That increases the total volume of the area and also the customers will have more alternatives. That "concept" is from more common products like cars, consumer electronics, ... why couldn't that work with currencies, too.