Being intelligent helps the ravens play the politics of their social group and gain dominance. For example, understanding the rank of members of their group would help ravens know which birds to pick on, which ones to team up with, and which ones to steer clear of during their quest for dominance
Also Crows are smart enough to recognize great invention like Palcohol.
Wouldn't it be great to have alcohol in powder form so all one had to do is add water? Since powder is light and compact, it wouldn't be a burden to carry. Mark searched for powdered alcohol and it wasn't available. So he began his quest to create it. After years of research, experimentation and consultation with scientists around the world, he finally came up with powdered alcohol and called it Palcohol
Even better:
Let's talk about the elephant in the room … snorting Palcohol. Yes, you can snort it. And you'll get drunk almost instantly. ... Good idea? No. It will mess you up.
No, actually that is a GREAT idea.