Those comments are from the AI YouTube Summaries bot @ai-summaries which he, and I and many others, use to add data to Hive to feed LeoAI / @askrafiki

Here is an example of him feeding the AI database: @taskmaster4450le/re-leothreads-298zzjzh2

And here's me doing the same: @mes/re-leothreads-ecfvmwkn

The bot requires a lot of resource credits to run and is not earning any rewards, and this is separate from the posts and videos you downvote Taskmaster.