What are the advantages and disadvantages of using
add_theme_support('automatic-feed-links') in my
A long time ago WordPress did not put feed links into the
One year later it was added to Twenty Ten, and it became a de facto standard.
But all this happens still to avoid conflicts with pre-2009 themes: WordPress does never create duplicate feed links, unless the author asks for that.
I have questioned this practice. This functionality is not about presentation, and old themes should not have such an impact on the current development. Chip Bennett brought the issue up in his latest discussion about the theme review guidelines.
I guess we can expect some progress here in the near future.
So the advantage is: you get feed links.
Hopefully someone will expand on this a bit more, but here goes:
Googling about this myself, I share your frustration - it's difficult to find a good description of the pros/cons of including these links, and the relevant wordpress codex page is currently pretty weak.