You are quoting yourself.... not the license.
Some devices are designed to deny users access to install or run modified versions of the software inside them, although the manufacturer can do so. This is fundamentally incompatible with the aim of protecting users' freedom to change the software. The systematic pattern of such abuse occurs in the area of products for individuals to use, which is precisely where it is most unacceptable. Therefore, we have designed this version of the GPL to prohibit the practice for those products. If such problems arise substantially in other domains, we stand ready to extend this provision to those domains in future versions of the GPL, as needed to protect the freedom of users.
I really doubt that interpretation of the license. And I have never heard of anyone else actually interpreting it that way, and the license actually goes out of its way to avoid using the concept of "user".
It talks about user _products_ and the like and you're most definitely not "transferring the right of possession and use" of any product by manipulating a touchscreen in a museum.
I don't know if the source of this FUD is either Jolla or if this is your interpretation. If it's Jolla, it's really shameful.