User blog comment:Adsper/All Possible Mobs/@comment-75.111.239.208-20180619032536/@comment-2001:5B0:45C6:8C60:0:FF:FEBF:47C0-20180624174404

No, that's not true. We don't know exactly how smart they were, but other modern herbivores tend to be smarter than they look. Every animal has some basic intelligence, or else they would just die.