[frandroid]

Not really a problem for vegan cooking. Go ahead and cook whichever way, and the worst thing that happens is undercooked or overcooked.

[mrob]

Not true. Incorrectly cooked kidney beans (and to a lesser degree other beans) can cause severe vomiting and diarrhea, because of phytohaemagglutinin toxicity, which needs prolonged heating to destroy:

https://en.wikipedia.org/wiki/Phaseolus_vulgaris#Toxicity

[nommm-nommm]

Improperly washing vegetables can lead to a really bad time as well.

[the_af]

Cook whichever way, but remember to wash raw vegetables thoroughly! Improperly cleaned raw vegetables are a common source of gastroenteritis and similar illnesses (or more serious ones -- I still remember a cholera epidemic in my country when I was younger).