I don't know either. I use it in litter trays but my guys don't destroy it. If you're worried have you tried cardboard boxes? Samus loves to destroy them.
my rabbits have newspaper too! :wave:
Mine too - i line hutches, litter trays and boxes with them as they are great for warmth. They shred them but dont eat them.
You could try getting some new and interesting hay and putting that in boxes for him to dig in and eat.
The hay experts do a sample pack.
https://www.thehayexperts.co.uk/Hays,+Grasses+%2526+Herbs.4/Select+by+Hay+Type.130/Sample+Pack.23/