One of my accounts uses a relatively long domain, so I often type it once, Ctrl-A Ctrl-C to copy it, then paste into the dupe field. Assuming I'm not the only person that does this, entering it twice isn't going to help in any significant way.
And secondly, there's a fair UI improvement in 'your email might be wrong, and here are some easy 1-click suggestions to fix it' vs 'these 2 things don't match. Work out where the error is, and then fix it', usually without even indicating the non-matching substring(s).
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One of my accounts uses a relatively long domain, so I often type it once, Ctrl-A Ctrl-C to copy it, then paste into the dupe field. Assuming I'm not the only person that does this, entering it twice isn't going to help in any significant way.
And secondly, there's a fair UI improvement in 'your email might be wrong, and here are some easy 1-click suggestions to fix it' vs 'these 2 things don't match. Work out where the error is, and then fix it', usually without even indicating the non-matching substring(s).