These "toxin" phytochemicals are often very healthy for humans in the levels found in typical foods and weird keto/carnivore diet nuts try to overstate their negative effects and minimize the positive ones. For example psoralen has "antibacterial, anti-inflammatory and neuroprotective effects" [1].
[1] https://www.frontiersin.org/articles/10.3389/fphar.2020.5715...