depending on your technical aptitude, you could wipe iOS and install linux, I'm sure there are projects allowing that.
then it can become a simple graphic terminal for smart home
home assistant is full similar pet project, with old kindles and tablet to control the server
or in other words, BT devices broadcast their names only in pairing mode, so you know only the names of devices you are paired with.
all other devices continue to be there, but normally not shown, because you don't know them.
Until you pair, there's no reason for showing them