This is best done by regular check-ins, not by monitoring everything an employee does every single minute.
I'm not saying it's never abusive. Just that it isn't necessarily abusive.
So ask them what tool they are using and why. Or set up a video chat where they can show you what they are doing and you can make suggestions about better tools.
> he may be using an ineffective sales pitch
So listen in on the sales call and then give feedback afterwards.
Still don't see why any of this requires minute by minute monitoring.
> I'm not saying it's never abusive. Just that it isn't necessarily abusive.
If there are obvious alternatives that are (a) much less intrusive, and (b) much more respectful of the employee's professionalism, then it sure seems to me like minute by minute monitoring is abusive.
It's not always an adversarial thing.