This double-archiving is necessary for a simple video. It is a known trick to:
The use of nested compression (ZIP within RAR) was common for bulk file sharing on forums and P2P networks to bypass file size limits or bypass automated scanners. Format Obsolescence: STICKAM Smexymeghan1234 Titspussy.2.avi.zip.rar Laura
Marwick, A., & boyd, d. (2011). I tweet honestly, I tweet passionately: Twitter users, context collapse, and imagined audiences. New Media & Society, 13(1), 114-133. This double-archiving is necessary for a simple video