Honestly nowadays data plans are cheap on most mobile carriers and they’re obligated to have them work accross EU, so you no longer really need Wi-Fi when traveling.

Also, I can see this being easily and constantly exploited via Wi-Fi attacks where hackers set up fake Hotspots with the same name as the closest legit one.

1000%, 2500%, 600%, 1500%

Not if everyone buys it, because then we’d all look the same