Old Laptop actually sounds interesting to me, very nice form factor for my “inside the bookshelf” approach, but probably a lot of tinkering.
How do thin clients compare to a pi 4? I’ve heard most of them are worse in computing power and efficiency in comparison to the Pi.
Google payed billions in fines for making chrome default on android and now has to ask which browser you want when you setup a device.
Microsoft on the other hand actively hinders the installation of other browsers. This is a huge lawsuit just waiting there.