Stickers have always been a cheap way of adding more details to toys. It's something that Beast Wars did away with, replacing it with painted and/or tampographed detailing, which has since become the standard. Arms Micron takes a big leap backwards in reverting back to relying on stickers.

I don't mind stickers on G1 reissues -- because they're trying to capture that authentic old skool feel. That's fine. But on a modern Transformer toy it just feels cheap and lazy.
As for the Arms Microns... stickers aside, I find them quite inferior to regular Mini-Cons. They're really
not as solid as a normal Mini-Con toy and the plastic quality is like a model kit and doesn't feel as hardy as a regular action figure. Even their weapon modes aren't really solid either. I find the PCC Mini-Cons are
much better... and I think PCC Mini-Cons themselves are pretty crap!