I'm not a fan of how every single thing the NFL does is compared to deflate-gate. We probably don't need, after every NFL discipline announcement, a million "But if it was Tom Brady ... " messages on social media.
However, it's really hard to grasp how the league could act so quickly, strongly and vigilantly toward the New England Patriots and Brady for maybe kinda sorta knowing about deflated footballs, and act at a "maybe everyone will just forget" pace when some high-profile players were accused of PED usage in an undercover Al Jazeera America report last year.