What YouTube Kids's terms say
YouTube Kids's terms of service and privacy policy have 8 rated points: 1 serious, 2 bad, 3 worth knowing and 2 good. 8 apply whenever you use the site, signed in or not; 0 only once you have an account.
Whenever you use YouTube Kids
Serious 1
Your browsing history can be viewed by the service
This service can view your browser history
Where it says this ↗
Bad 2
Many different types of personal data are collected
The service collects many different types of personal data
Where it says this ↗Your biometric data is collected
Where it says this ↗
Worth knowing 3
There is a date of the last update of the agreements
There is a date of the last update of the terms
Where it says this ↗This service gives your personal data to third parties involved in its operation
Where it says this ↗Your personal data may be aggregated into statistics
Your personal data is aggregated into statistics
Where it says this ↗
Good 2
Your information is only shared with third parties when given specific consent
This service only shares user information with third parties when given specific consent
Where it says this ↗Third parties are not allowed to access your personal information without a legal basis
The service will not allow third parties to access your personal information without a legal basis
Where it says this ↗
If you have a YouTube Kids account
No account-only points rated.
The documents
Ratings by ToS;DR volunteers; they can lag behind the current terms. Not legal advice.