Agree this makes sense in tag groups great suggestion @riking, so we would have basically a combo box on the tag group:
Who can apply these tags?
[Anyone]
[Staff only]Who can see these tags?
[Anyone]
[Staff only]
I guess longer term this opens up the feature to more fidelity, cause you could have a tag visible to TL4 which can only be applied by Staff and stuff like that (clearly not for v1)