I personally do not agree with the majority. I have run into more situation myself where it would have sent me home because I do not carry another network card. I only have like a dollar in cash.
It happens not in small stores, but in places that can afford not to accept, or only accept one network.
I can recall government offices (where I had to use a debit card from another network instead), and especially Costco. Up until this year, I never knew Costco only accepts Visa. I went in, applied for new membership, and luckily for me, I had a Visa in my wallet. Even Kroger, a big chain, has been evaluating their Visa ban.
