Jellyfin has a much nicer user interface and is overall a better way of doing things. But libreElec and Kodi are great at being a cheap open source client that handles lots of different codecs without much fuss.

Where are you getting 120hz content for tv?

It won’t generate random numbers. It’ll generate random numbers from its training data.

If it’s asked to generate passwords I wouldn’t be surprised if it generated lists of leaked passwords available online.

These models are created from masses of data scraped from the internet. Most of which is unreviewed and unverified. They really don’t want to review and verify it because it’s expensive and much of their data is illegal.