Let's keep in mind that this is an end user application for pixel artwork. You and I might care that it's Rust. End Users will not. It could be written in Malbolge or BF for all an end user cares about.
Namespace collision is gonna be a pain for end users and newcomers, possibly depressing discovery, which is our point.
At some point we will have to generate random strings for the name of our projects because all the "good" (or even "bad") ones are taken. :P