If they got Google to turn it off by default, it would be right, but how many users are going to do that or even know about this. The average citizen will continue to fund Facebook until they default it to off.
Apple has allowed users to reset their advertiser ID to a new random value as often as they liked since 2012, and has allowed users to go into the settings and turn off access to the advertiser ID (so that every app will see an advertiser ID of all zeroes) since 2018.
It wasn't until Apple made the Advertiser ID something that you actively had to opt into that the freakout began.
Apple has allowed users to reset their advertiser ID to a new random value as often as they liked since 2012, and has allowed users to go into the settings and turn off access to the advertiser ID (so that every app will see an advertiser ID of all zeroes) since 2018.
It wasn't until Apple made the Advertiser ID something that you actively had to opt into that the freakout began.