Thanks for your suggestion. There’s already some existing suggestion threads touching this topic
Feature Request - Weighted Shuffle Playlists → weighting/quantification/balancing of single criteria/criteria groups in a filter/playlist
Playlist Presence Filtering Criteria - #8 by Dub-sonic → option to filter for other playlists; discussion also touching options to balance how much each sub-playlist can contribute to the overall playlist
Please comment/vote in those threads in order to help us avoid distracting or cannibalizing votes. Unless I’m missing some unique aspect of your suggestion I’ll close this thread as a duplicate.