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by CogitoCogito 1297 days ago
> I can think of a single advantage: one less thing to carry.

This system _adds_ the requirement of carrying a smartphone. This is one _more_ thing to carry not one fewer.

> if you ignore all these many disadvantages, one can sort of see an utopic ideal behind it.

Yes it is true that if you ignore all the problems in a system, then the system has no perceived problems.