I was wondering how you could get such a high impact overall. But it seems one in 6 households are on GLP-1 drugs in the US.
In my friend circle in Germany I don't even know one single person on this stuff.
It's insane to me that so many people need these to get off the processed foods killing them in the US.
This is not to say you are wrong. The food supply in the US is not healthy. The bad news is that the same greed that destroyed our food will find ways to get around the ways GLP-1s work.
I do think there's a strong argument that lack of fiber and protein are huge contributors to the world's obesity problems.
Nobody really knows how GLP-1 agonists work, but given the other effects (e.g. insulin stability, change in other addictive behaviours etc.) it's definitely not just this.