Academia is so dysfunctional right now. It's parasitic off the drive of young people who just want to make the world a little better. It's very unfortunate it's ended up this way.
This is one of the reasons why I often ask myself why the suicide rate is so low in society.
Life is a mixture of good and bad, and it's easy to fixate on the bad, but don't forget about the good. It matters too.
Had I stayed there, being on alert your whole life and dropping dead at 55 would've been very normal indeed.
This is why people who get someplace and then lose it, are the ones who tend to kill themselves, or folks who have a hard time fitting in from the get-go. For most people, they don't know things could be different, so they're fine with what is.
It goes another way: having some awareness of the situation is actively harmful for the same reason, because it makes it less acceptable mentally.
You misheard that phrase or learned it from someone who did. The correct version would be, "It was a dog-eat-dog world." The idiom makes a lot more sense in its correct form as it describes an environment of brutal competition.
I'm glad you find Canada to be a kinder place. I like it here too.