Just like you, I also think it's totally funny when someone tries to justify their ugly behavior with their zodiac sign, it's too limiting.
I don't even like reading much about that stuff because it kinda take a tour on you once you start as you are definitely going to see things that seem true than false.
Like that your Lodge mate, those are the kind of people I try to avoid the most because they can hurt you really bad and blame it on their zodiac sign.