I personally think the lightning connector was necessary when it was introduced some 11 years ago now. It replaced the apple 30-pin connector, which was big and hard to fit on smaller devices.
The USB connector at the time lighting was introduced was USB-A, which was also fairly large and somewhat fussy in that it had to be inserted in the correct orientation. USB went on to add "mini" and "micro" connectors, but they were still single-orientation connectors that were prone to wear and damage, and the sheer number of similar, incompatible connectors was confusing. If USB-C existed back then it would have made sense for Apple to adopt it, but I think Apple did well to avoid USB in that era.
The lighting connector is easy to plug in even when you aren't looking at it, and other than occasional debris accumulation in the port the connector has been fairly reliable for a decade or so. USB-C has reached parity with lighting in terms of size, ease of use, and durability, and so I think the time is right for Apple to finally adopt the universal standard.
This is all only true if you accept a proprietary connector as a solution to the problems you indicate—a problem created by Apple's reliance on another proprietary connector, the 30-pin port. Lather, rinse, repeat. Instead of adopting or (even better) shaping the standard, they perpetuated another 10 years of physical lock-in and spurred eventual government action due to their unwillingness to give up the revenue stream that comes from MFI and the air of "exclusivity" it allowed them to present.
They may have been solving practical problems in an innovative way—no argument there—but as usual, Apple's irritating Willy Wonka marketing machine nonsense got their hands on it and now end users are left to shoulder the inconvenience.
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