I don't think it's too old fashioned, but I'm sorry to say that I do think it's too ugly. :-/ It's just one of those names that I don't like the sound of. It sounds flat and unflattering to me when it's said aloud.
The abolition of religion as the illusory happiness of the people is the demand for their real happiness.
To call on them to give up their illusions about their condition is to call on them to give up a condition that requires illusions.
-Marx-