I let my oldest daughter at 10 watch stuff there a couple times a week which she largely watches Minecraft videos. I know everything she consumes for now.
Eventually that will stop and she's on her own when she is more responsible as an older teenager but the important point here is this isn't helicopter parenting, it's survival at protecting her brain from dopamine overload making her a content addict.
I don't want to go full Amish as I think it's important to prepare our kids for the inevitable world they will be exposed too but I feel I'd fail them letting them loose.
What we ended up doing: download a few dozen videos from the channels we think are good for kids. I hate CocoMelon’s fast-paced videos, but find SuperSimpleSongs agreeable, so we now have a Jellyfin section for toddler videos that teach him something.
Screen time in general is highly advised against, but for that odd moment where we need extra entertainment, at least he’s watching something we’ve vetted. YouTube Kids is a cesspool of content, and your ability to block bad channels is ineffective since they pop up like moles.
Certainly is, I can't get around this sometimes in order to do chores either. This is why I have a variety of kids movies, shows, series on disk. Plenty of variety, but all vetted.