I agree. From what i’ve seen, people use debit/credit cards / their phone, so the rounding doesn’t even occur.
Not everyone though is that fortunate.
~50% in India: https://www.pymnts.com/mobile-wallets/2023/cash-not-king-in-...
~60% in Brazil: https://www.pymnts.com/mobile/2025/payment-glitches-stall-br...
Similar trends in Africa, though exact numbers were harder to find: https://www.finextra.com/blogposting/27913/africa-the-unlike...