What is there to push back against? This is really normal for people who play single yoyos a lot. And it’s not exclusive to blasts or anything. Just wearing down through the ano. You’ll see anodized glossy yoyos worn down to raw AL in the same way. It’s honestly even more pronounced in real life. You really feel the difference from what the blast started as in the cup compared to how sticky and glossy the profile has become.
The most well loved single yoyo I’ve seen is definitely this example. Fixed Axle Friday Throws - #3407 by Xanadu