If photoshop is dumb so is the gimp. They are exactly the same in functionality to deliver final product.
It's not about what software is better, is about how are you using it.
If you have no knowledge about image painting/editing you will never be able to do good stuff.
And that's true for 2d, 3d, audio whatever.
Learn, use, deliver. If you don't learn you will not be able to use any program and you will fail with delivery.
It's easy saying C2 is shit because it doesn't do what you wanted it to do, but did you even try?
I'm using CC and C2 for over 5 years now and I'm still learning new thing every single day.
And you what, spend a month and would like to develop AAA games already?
Seriously I'm watching a lot of regression in current society, And that's painful.