I understand the benefits of phyiscal menus, but I for one relied on QR codes when working in China. I could go into a restaurant alone and use screenshots + google translate to essentially feed myself. Without a QR code, it was a gamble as to whether there were photos for me to see to order. Moreover, I didn't have to assume the waiter knew English, they'd just ferry out my food to my table when it was ready. I relied on this multiple times whilst there.
There's certainly benefits to both, and offering both makes sense to me. As with all things, a few options tends to be good.
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