That's obviously not a good-faith or technically-accurate description of what's happening here, or else everybody in that video would be carrying a white cane, along with everybody who uses this type of equipment in the phone repair business.
About all we can agree on, I think, is that neither of us knows enough about the product to argue about it usefully.
About all we can agree on, I think, is that neither of us knows enough about the product to argue about it usefully.