People expect human attention immediately if they ever need it.
People think human attention is built into your price.
These are not easy constraints to satisfy, but they are satisfiable at least some of the time.
(I earned $10.25 an hour, and was confused as to how that math works, and was told "overhead." It took years before I understood.)
Hug your customer support professionals close.
Understand that this is the math dictating why it is difficult to get a human on the first ring in many places.
Understand that most places with sucky CS didn't say "Strategy memo: humans, who cares what they think."
Third brain: "OK OK technically inaccurate."
Second brain: "Which means INACCURATE."