There have been talks about this sort of regulatory change has been a long time coming and has been trending this way for a least a couple years (see link below). This is just the first time the hearing instrument cartel hasn't been able to beat it back. Based on my educated guess it is no coincidence that the bill was introduced by a Senator whose state shares a headquarters with Bose.

https://obamawhitehouse.archives.gov/blog/2015/10/26/%E2%80%...