You underestimate how addicted people are to YouTube. There is no alternative to it.
Twitch is streaming focused, the vods absolutely suck. Kick? Same.
What else is there? TikTok? Instagram? Neither of which provide long high quality videos.
After all we are talking about YouTube literally blocking everyone and putting up a banner: $5 a month or you’re out of luck. If someone already happily pays $18 a month for Netflix, what is 5 bucks?