Futurelock is not about cancellation safety (cancellation is actually one solution to futurelock), though the related issues that are linked in that post are.
At an early stage startup, shipping a feature should not require "many meetings across product, legal, and engineering". Especially not one that can be mostly built in a day.
I am very happy that I can charge my phone and laptop from the same charger, and don't ever have to worry about whether the cable I'm using will be a fire hazard.
I think the real issue here is that two Android phones take photos with incompatible naming schemes.
I am sure that at some point someone thought the milliseconds should or should not be separated from the seconds and made that change without thinking through the consequences.
Big tech can be suprisingly not locked down!