These make for a perfect limited edition collector’s item for hardcore arcade fans, and are a 1:1 recreation of the original boards. So they would also work as an actual replacement for a damaged board from an original cabinet.
Google's plan is that, during a webpage transaction, the web server could require you to pass an "environment attestation" test before you get any data. For now this is only a "proposal" API, but in May Google published an "intent to prototype" notice, meaning it's building the feature into Chrome right now for testing. Google's document pinky-promises the company doesn't want to use this for anything evil.