Yeah nasty indeed
Who ever came up with this ...
I suppose editing all those positionings out will probably end up giving other issues with the layout.
Not sure though and would like to fiddle further with it but I don't have that amount of time to spend how I can remove all that stuff properly.
However I did find
another method which is scriptable (although output quality will be a bit lower. Putting it here for if someone ever needs it.
- extract the epub
- with chrome headless mode and screenshot feature open the file and write to a png (on the commandline; firefox started hanging so has to be chrome)
- print all the PNGs
I think for now that's the "easiest" and most scaling workaround.