Note, this content came from reddit (https://www.reddit.com/r/homeautomation/comments/eul2au/did_amazon_finally_brick_my_repurposed_dash/).
Saved here for posterity.
I wanted to add a little bit to this tonight after messing around with the five buttons I purchased on eBay. I've ended up with three bricked buttons after 'taking one for the team' but here's what I've got.
The following sites are blocked in PiHole: