For many self-hosted media server owners, downloading compressed 1080p and 4K web rips is enough to call it a day. The server works, the library looks pretty, and storage demands stay low. However, when doing an A/B comparison, loading up an uncompressed 4K Blu-ray remux on a proper home theater setup with an OLED display reveals that commercial streaming platforms and web rips compress away a significant amount of the raw data.