Not OP, but neither of those tell me any properties of the actual food. If two "factory processed" foods have something in common that's important, it's basically a coincidence. Tell me what factory processes are bad, or something.

Is there something about being made in a factory that makes things unhealthy? Are all things that are made in a factory unhealthy (factory farming, factory packaged salads, etc).

Anyway, the article was not about any of that. It was about a nutritional model describing how excess carbohydrates and low glycemic index foods would be more likely to result in obesity.

None of that has anything to do with whether the food was processed, made in a factory, or packaged for convenience. Yet all are reasonable conclusions from the title. The only information in the title is effectively that "there may be a good that is bad for you".

> or simply fast food?

A banana is fast food.

What do you think it is about fast that makes food bad? If I put my banana in a pot for an hour does it become better food? Nonsense.