Well now a days they tend to be extremely misleading and can delete your accounts for things like opinions. Recently its been proven they have been deleting likes and dislikes which is pretty suspicious. And censoring actual doctors in favor for media and actors.
Get ad-blocker and whatever else. I'm sick of their ads that show stuff like horse betting, never bet on a horse and no idea why I get it, to stuff for females or stuff that I do NOT want. Trust YouTubes CEO like the plague... with fire. Using Ad-block means she'll get the message about 'personalised' ads, to spying on what you like to watch / do etc. She also needs a pay cut so doing this will help her with that.