This article popped up after the Thai postal service recommended a box in box approach to packaging. In Thailand you can sue anyone for defamation even if what they say is true. Article here http://bangkok.coconuts.co//2014/11/27/thai-post-unamused-your-box-box-box-box-box-gag
Some people can never see the funny side. Have not had (yet) any problems with Thai post. Had some broken bits from China.