No added sugar is something that can be objectively measured. What does "no ads" mean? No Google ads? No sponsored content? Nothing referencing paid products? No soliciting?
Here is the FDA's rules for the term "lite":
https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFR...
Certainly not perfect, but better than if the next time a product at whole foods gets caught in a fraud we let Amazon remark everything as "food".