It a really good typing because it has only one weakness.
Making it 4 times weak against a move doesn't take away it's value.
Let's use heracross as an example
Heracross: Hello, Staraptor. I see you have intimidate. I also know that you're faster, and have stabbed brave bird and I am 4x weak to it. Let me attack you instead of switching, and I'll try to not die horribly. Here goes!