Here's the relevant documentation: https://help.disneyplus.com/en-US/article/disneyplus-subscri...

Hope for you that your situation somehow passes their detection and that it keeps working for you.

This doesnt say anything about wifi, presumably it is detecting some other network identifier so that it also works on Ethernet connected devices. If so, seems like you could connect via VPN to your main "home" network.

Oh, I see. It seems they don't enforce this on tablets, which is what the kids are usually using.