Yeah, that's what I wonder about sometimes, that people can still believe the nutritional guidelines when it's so very obvious that in the past 20 years, so many people have become so fat and unhealthy because of their government-guideline approved diet.
I think the idea of moderation (a little bit of ultra-processed junk food is okay, just not too much) can be a trap for many people. Some people may be able to handle it, but for many, it just means that you're constantly needing to debate that part of your brain that desperately wants the mouth pleasure of these foods. Very stressful.
It can be so much easier to say a blanket NO.
For me, the carnivore diet works really well, I've been doing it 10 months now and I love the results. Here's some of my posts on it: