Yeah, no, kangaroos are wild animals who fight each other. Go figure what happens if they seem something they interpret as a threat? You get fucked up.
They're not as nice as dogs. Dogs were bred and trained for thousands of years to get that. Roos have got nothing. When I was a kid, I remember getting advice from my dad (a jackaroo) when we were at my grandma's property with a fair few kangaroos: "If they come at you, curl into a ball, 'cause they'll claw you and kick you.">t. an australian