A shameless bump, and an update:
For what it’s worth, I found the root of the problem. It’s the alpha channel.
For some reason, when exporting my diffuse channel with an alpha channel, by ticking the “alpha channel” tickbox on the regular image tab of the render setttings, gives me the result of after effects defaulting the color interpretation of that particular piece of footage as sRGB, and not letting me edit it.
If I export everything without an alpha channel, It works just fine.
This will definitely bring me future headaches, as most 3d applications I will use will involve lower third animations, and transitions, with motion blur. I don’t believe object buffers will save my life constantly.
What is going on here?