Overall, it seems like a recipe to end up in an unknown state where you can no longer easily get updates and the only recovery is to wipe the system.
I've seen similar methods to "Clean up Windows 11", and it always seems like you're just putting the device into an unknown state. A few ads you can become blind to is not as bad as a totally broken system.
Once your find your comfort, you might even find other items of joy that are being gatekept from you like SmartTube.
How different is this from say installing Debian, then picking out a bunch of globally installed software that supports "make install" and spraying files all over the root filesystem, then expecting the next run of "apt update" to work properly without things breaking?
Maybe my concerns are unwarranted, but the vast majority of Android mangling I've done over the years has not generally resulted in long-term stability, for a variety of reasons. Recall that the point of this article is that it's 10 year old hardware still in support!