Earlier quoted context omitted.
The other big challenge is from a SAR (structure-activity relationship) point of view, it's completely benign looking from just about any way you look at it. It's two peptides, and a methanol (which yes, gets converted to formaldehyde, but so does fruit pectin). There's nothing zany about its structure, it's not particularly lipophilic, no receptor bindings of note, no spicy reactive groups, no alkylators, no interca…
So you're telling me there's a chance? Warnings like these quickly hit the Prop 65 problem - the notices are so ubiquitous you go blind to them.
When you put the exact same warning on food as lead-containing special solder, cadmium paints, and other very obvious "don't eat this" industrial materials, it loses all efficacy.