[lliwta]

> These are extremely superficial reasons to criticize git

They are use cases which matter to the author. That's basically the opposite of superficial.

> If you want a single folder within a repo, why isn't that folder its own repo?

The author addresses this -- because the folder is not significant enough to warrant the overhead of placing it in a separate repo.

[undata]

Wanting to pull it out separately makes it significant enough. If you want it in both repos, use subtrees.