I'll almost certainly get used for both, but I believe "adult content" is the primary motivator. If it was just for ads they wouldn't even bother announcing it as a "feature", they'd just do it.

Also:

"Users can check if safeguards have been added to their account and start this process at any time by going to Settings > Account."

> If it was just for ads they wouldn't even bother announcing it as a "feature", they'd just do it.

Its a feature for advertisers, and investors also wanna know. Did you think you are the customer?