I wish her the best of luck and sincerely hope I am wrong, but I would be completely unsurprised if there was a Tragic Accident in the next 18 months

The license change literally just prevents you from stripping their branding if you have more than 50 users a month - this is more permissive than the MPL that Firefox is licensed under

Running web services on a device that hasn’t seen a security patch in 3 years seems like a bad idea.

Also, unless you can mount a real hard drive, you are going to very quickly run into I/O bandwidth issues and flash longevity limits