[Feature Request] Show usage instead of logging error

[lorensr]

Is your feature request related to a problem? Please describe.

When I run these commands, I get usage info:

temporal
temporal operator
temporal operator namespace

But when I run this command, I get an error:

Describe the solution you'd like

I'd prefer to get the help output.

I'd also like -n hidden from help output, since it doesn't work: