DRM is usually known for big games before they are released. You can find articles about how the DRM works online. If it’s a new type of DRM, they usually describe how it works.

I leave a Google review for places that have shitty tipping practices.

Uhh, price?

It’s more integrated. Also, I don’t think the expectation is to carry them around. You’d pick what you want for your trip and leave the rest at home. I expect this to be more like DS and less like Switch. I.e. A single person per device.