Not only that. Another aspect is that emotions and "instinct" are much, much older, from an evolutionary perspective, than our very recent reasoning abilities, and way more widespread amongst the animal kingdom than reason.
So, while far from perfect, they work. Emotions and instinct kept most of our ancestors and most of the currently living animals both alive and thriving. Which means that, despite their limits, they have their place and shouldn't simply be discarded by a wave of the hand.
Took me some time to understand that. And I still have a hard time taking it into account in my everyday life and interactions.