It will disable incremental updates but as long as there is a flashable zip file of the full image you can update using that

You can also quickly unroot then do an incremental update and then use magisk to create a flashable boot image afterwards to re-root

Fair enough, completely understandable

You could try Smart Tube which has built in adblock and sponsorblock and see if that works better on your android tv box

The limit on formatting drives as fat32 is 32GB on windows though anything above 32GB and you have to go find a 3rd party tool to convert larger disks to fat32