I don't think the question is a duplicate. The answers in How to create posters using LaTeX mostly just provide a list of the different packages that you could use to make a poster. There is hardly any discussion of how they work, much less a comparison of the various options.
I voted to reopen, but I've noticed that a lot of people have been voting to keep the question closed. I'm curious what the rationale is.
I could understand the question being closed as being too broad or opinion-based (but even then, I'm not so sure; but that would at least make more sense to me than being a duplicate).
I really don't understand how it is a duplicate of How to create posters using LaTeX.
So two questions, I guess:
- Why is this closed as a duplicate; why are people voting to keep it closed?
- If there isn't a good reason for keeping it closed as a duplicate, shouldn't it be reopened?