Two actions, one requires selection and the other does not. Should I keep separate behaviors or make it uniform?

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There are two actions in the listing: one sends a message, and the other exports a CSV.

A selection is required to send a message, but not for exporting a CSV. We could make selection required for export as well.

What should I do:

  • "Send Message" and "Export" are both enabled only if people are selected?
  • "Send Message" enabled if people are selected, and "Export" works independently?