I think the most egregious one of these I've seen is a digital multimeter I have that says there are no user serviceable parts inside. Pretty standard, but it

I think the most egregious one of these I've seen is a digital multimeter I have that says there are no user serviceable parts inside. Pretty standard, but it implies that even the sort of person who uses a multimeter isn't qualified to replace the fuse and 9v battery inside it.