"Wait a month" if you do that, then slack just cost you thousands of dollars. How mad I'd be at slack would be proportional to how may thousands of dollars they just cost me.
Such is the cost of constant surveillance? You need to weigh the pros and cons in any situation. If you don't think that you saw such a DM is relevant, then consult your lawyer and fire them. If you feel it best to wait, you wait.
