Unless I missed something, Pyrogenesis is still a 3D engine, isn't it? 2D art with missing-texture-colors still look like missing textures.
I get your point but I don't know if that's a good reason either.
Sure it is. The heroes in 0AD were among the most badass people to ever walk the earth. I'm pretty sure they weren't prancing around in fuchsia shawls. Well, maybe Alexander the Great was, but that's a different story.
I'm not saying you have to do it, or that it needs to be done right now, or even over the next year. Even if it takes a few year