In a perfect world, they would be on things proactively, but that is usually not the case. Generally a complaint has to be filed, takes them a while to look into it, they send a cease and desist, etc etc. Just think about all those dangerous weight loss supplements that come out and make millions before the FDA throws the hammer at them... I speculate it will be a similar pace to that. Of course, in the case of gluten-free mislabeling, there seem to be many smaller companies labeling their product with many claims with ignorance to what they actually mean, so hopefully most issues will not get to the point where the FDA has to force them to close, and it will be cleared up with the first contact.
I am my husband's "Silly Yak Girl"
I was diagnosed with Celiac Disease in January 2013. I also have Lupus and Common Variable Immunodeficiency(CVID) for which I am on IVIG.
Celiac.com - Celiac Disease Board Moderator