Disclaimer: No actual experience with one. Never even seen one in the flesh.

But I ruled it out for the following reasons based on specs:

Cost. 300 bones. Ouch.

Weight. At a claimed 10.3 ounces it's about the same as a few paperbacks I weighed. But I buy old books for a buck and only carry half. On long trips I'll carry a whole book but I burn (or if a trash can is available discard) pages as I go.

Bulk.

Vulnerability. It's not something you can just toss in your pack like a paperback. Some care must be taken. Maybe a lot of care.

Battery life. Not enough for an extended trip. And since it appears to use a proprietary 120V wall charger, recharging in the field could be.......problematic.

One more subjective reason: I'm old school and I sort of like the feel of a paperback in my hand. Newspapers too.

It just doesn't work with my style of backpacking. YMMV.