The problem with the last mile is that there’s a lot of them. Even more if you’re in suburbia, where the number of people living in the last mile is comparable to people living in the last block or so in the city.
It’s going to be real funny if non Apple users are basically fair game for AirTags tracking and you have to get an iPhone to protect yourself from AirStalking
Payoffs for a short position is stock price right now minus stock price at maturity. You can make a synthetic short by longing a put and writing a call at the same strike price and the problem you see here with the short squeeze is really writing the call.
Sometimes it’s an economics problem. Problems need incentives before they can be solved.