That’s a good one. I feel like either torx or square drives should be chosen and all consumer facing screws should be one of, say, 10 sizes.
And you can apply for a permit to use other sizes, but even that is gonna cost you like a couple days in jail.
You can’t keep secrets from the future.
Heard that once in a song about how all encryption is doomed to break against future math/computing power. Great eery phrase.