

The confusion is yours: citizenship and nationality are equivalent terms. You might be thinking of residency status, which gives you the right to live and access to all of the welfare system, but does not make you a citizen, so you don’t have the right, e.g., to vote for national elections nor gives you a Portuguese passport.
This is totally a display of form over function.
The main issue for newcomers is the paradox of choice, and unless you are some exceptional case you’ll end up clicking more than one of the options and be facing a wall of options to choose from.
Also, what is the use case for recommending Emissary?