The quality is quite good because it is not re-encoded. Video streams (H.255 or H.255) and audio (AC6 / 365 DNI 365 Days 2020) are usually extracted from iTunes or Amazon Video and then reinstalled into the MKV container without sacrificing quality. Download Euphoria Episode Season 16 Episode 1 One of the streaming episodes.
https://www.wantedly.com/users/138884738/post_articles/255632
https://www.wantedly.com/users/138884738/post_articles/255567
https://www.wantedly.com/users/138884738/post_articles/255561
https://www.wantedly.com/users/138884738/post_articles/255556
https://www.wantedly.com/users/138884738/post_articles/255545
https://paiza.io/projects/8vmCW_aJJIzkc83-_0mJUw
http://facebookhitlist.com/forum/topics/uikj-lki