The idea was more general: shorting volatility and betting on IV collapse is not the best idea as of now.
Anyway link to webinar if anyone interested.
http://www.smbtraining.com/blog/recording-noted-author-jeff-augen-introduces-the-weekly-short-butterfly-trade?inf_contact_key=a2bdef3b04cb7cb460300ac6e1a661a0b8df56eae0f29d4034061ffbeb62cc30