I suspect the tool industry has a strong incentive to keep as many of them as possible in use. I have a feeling that they push new designs to manufacturers as

I suspect the tool industry has a strong incentive to keep as many of them as possible in use. I have a feeling that they push new designs to manufacturers as being 'tamper-proof', then once sufficiently adopted, push them to the sales channel to be open to open these tamper-proof screws. Repeat as needed to keep revenue up.