Thinking about this. It'll help with health, it'll help with asthma (yellow) and hyperactivity and I would guess dozens of other issues we haven't even identified.
Also, should take some of the fun factor out of certain foods and snacks.
When my sons were in elementary school I kept this stuff out of their diet, but at school the teachers used treats such as skittle and m and m as rewards and for teaching math concepts.
Frustrating.
How many people would eat uncolored jello? Some will add their own coloring. That's their business.