For me at least, it was pleasantly surprising that Google either has no inventory or just no clue who I am, as when ublock got disabled by this bug, YouTube started presenting me with ads for cars in mostly Japanese, with prices in Yen and "Singapore stock also available".
You can disable the signature verification on Firefox for Android, using about:config and searching for the flag named 'xpinstall.signatures.required'.
Perhaps leave yourself a note to change it back once an update ships : )
I guess because I watched anime videos?