It can also be linked based where it recommends videos that conservatives have enjoyed that seem unrelated. Like maybe watching home improvement videos and historical war videos then the algorithm feeding new content that seems unrelated but actually is according to it, since it’s trying to expose you to new interests to expand the time you spend there.
Best I found is just not using YouTube with an account and having cookies cleared on exit, or using newpipe (Android) and freetube (desktop) which let’s you have an accountless subscription feed with Adblock and sponsorblock support.