Bose does make really good NC headphones, but as you mentioned, they can be pricy. I got my NC 700s on Facebook marketplace for half the price brand new. Someone was given them from work, but already had Sony noise cancelling headphones and were selling the Bose ones. I see used QC45s on there all the time too.
I sometimes wonder why anything is wrapped in plastic at all. So many products are wrapped in plastic for seemingly no other reason than to indicate that it’s unopened.
That depends on your goal. If you want something free, open source and self-hosted then Plex isn’t the best option and you’d do better to look at Jellyfin or Kodi.
Don’t AI models need to be trained on the material they are trying to emulate?
Looks like they are using it to warm the screen adhesive so they can remove the screen and repair the phone.