An articulate informed woman who chooses the niqab - well, she's made the wrong choice.
Yes, she has. She has made a choice to adopt an extremely antisocial form of dress, which prevents others from interacting with her in a normal way. She is choosing to be rude by insisting on hiding her face during all social interactions, and further insisting that other people pretend there isn't something completely weird and discomforting about trying to interact with a faceless person.
FWIW I don't believe that most women who adopt the niqab or burqa in the West are being forced to do so. I believe the burqa defenders when they say that most are choosing to wear it. But their personal choice in this case infringes on other people, by violating the usual rules of social discourse and inflicting discomfort on others. It's reasonable to ask that these women make a different choice, in order to adhere to the basic norms of the society in which they choose to live.