I have indeed noticed a difference: when I pay by inserting my card, the voucher from the POS shows my name. That does not appear on the voucher when I use apple pay. To prove it, I am attaching an example showing two vouchers from purchases made on the exact same kind of card reader (an ingenico move 2500 supplied to each of the merchants by BBVA bank in Mexico). Both purchases were made using Apple Card. While the one on the left, which was made using the titanium card, shows my full name below the signature line (covered for privacy purposes), the one on the right made using apple pay only shows the signature line with no name below it. Clearly the merchants aren’t getting the exact same info using apple pay vs the physical card.
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That being said, I agree with you about I7guy being an apple fanboy who cannot be objective on Apple (though I don’t believe he has ever admitted it himself, nor will he ever).