I don't think this is a bug per-se, but it's an inconsistency and not really a feature request either. 
Tag and type thoughts should not have gates for items that can't be created.
For example, the tag thought should only have a child gate. A type thought should have a parent and child gate.

The gates on both of these thoughts are misleading, especially for new users, as they give an expectation that they behave the same as regular thoughts.
macOS 10.14.6
TheBrain 11.0.119
Good point Zen.  I'll write it up for review.

Thank you,

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