fwiw, your comment would almost certainly have positive karma if you had left off the final paragraph. Asking for sources is popular here. Grousing about how you're oppressed by the dumb voters on the site is not.

Native date pickers can’t handle range. So then you need two date pickers with validation logic.

That’s just one example of the native implementation lacking common utility. That’s one thing they could mean when they say the native solution is lacking.

What would you expect a designer to measure when making an aesthetic judgement?

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