i can't give you exact numbers of course, but judging from the questions from our customers, quite some users disable the popup when flipping the board to the other side. this is something that is indeed not something that _must_ be displayed.

CEC adapter's settings cannot be hidden by default, as I already explained.

but I do not understand the problem if you just make _all_ peripheral settings visible by default, as the peripherals manager will only make these visible when devices are actually found, and it's a bit silly imo if we require users to enable "advanced settings" to configure devices that we know they have (or, as said before, the peripherals manager will not make these visible anyway)