You'd rather they go back to the 1930s when it was books only?The
distinction between comic books and graphic novels is because most
comics contain advertising. Granted, there are a lot that don't, but
it's just easier to exclude them as a class.
Here's a handy cheat sheet with yes/no answers for a lot of items. (I
believe it's still
current.)https://liteblue.usps.gov/news/link/2013/04apr/Media-Mail-Guidelines.htm
The battery would be my guess - there are two restrictions on
international shipments (at least for the USPS). The battery has to be
installed in the equipment (no spares) AND the destination country has
to allow it. This also applies to APO/FPO ship...
