Well, like you said, it's all just subjective, mostly it depends on your preferences and expectations.
For example, I think Lucy is a nice girl, and despite being a dead end (according to your opinion) she has more screen time so far than Alice, who is supposed to be or rather IS a catalyst for a whole story.
If there will will be any path for Lucy, it will be my second route after the main one with Elsa.
Agree about a probable rival path Elsa/Alice, though, I am not really interested in Alice, so, no rival path for me
Even though at the moment MC is obsessed with Alice, I think (or rather hope) that at some moment he will have some kind of revelation that the world doesn't revolve around her. By that moment he will get over his anxiety and will be more confident, I mean, he already is, Elsa did a great job.
There is also a secretary with some RP points as well. So there might as well be one more path.
Anyways, whatever story will bring, I am sure it will be interesting.