While SMS-based 2FA may be worse than the alternatives, it is clear that the previous commenter has decided that having a smartphone is much worse than the alternatives.
Unless their financial institution offers a non-smartphone 2FA option, such as a PIN-based card reader[0], having to use SMS-based 2FA is a reasonable price to pay.
Unless their financial institution offers a non-smartphone 2FA option, such as a PIN-based card reader[0], having to use SMS-based 2FA is a reasonable price to pay.
[0] https://en.wikipedia.org/wiki/Chip_Authentication_Program