@Hook thanks for your comment.
I indeed misinterpreted the restore parts of that thread, I thought the warning under (1) would also apply to the section "Repair sensors/ folder in persist.img" (2), but now after re-reading, I am pretty sure you are right, that are two totally different things.
I could go the "restorecon" way, I even could dig up a Windows machine somehow, but not too familiar with that OS anymore ...
I will ponder a bit more, on how to proceed. I always wanted to have "Convergence", i.e., run all my tools on one machine, and one machine only, but I doubt that I wo