Not to mention all the foods that had no real reason to contain wheat but had it added as a filler or something and have now dropped it.
Life is much easier for us now.
The major change is that everyone else's favorite fad diet has made my mandatory dietary restrictions so much easier to manage.
I will say that prepared food is still very much a roll of the dice, as those who maintain a gluten-free diet by choice tend not to care a whit about cross-contamination. Hence most businesses catering to them often don't make it a consideration.
There are exceptions though; I can walk into any In'n'Out and order my burger "Protein style, allergy" and whoever makes it will change their gloves, cook everything in an area away from where the buns are toasted, and spread condiments with a clean knife. One of the many reasons why In'n'Out is not merely one of the best fast food restaurants in the world, but simply one of the best things in the world.