I'd say the worry is not just ad / tracker blocking, but loss of control.
Apple decides to start notifying on cookies or make fingerprinting harder? Poof. There goes a chunk of your ad value per user.
And who knows what any given browser vendor will do tomorrow?
Some would say "So it's like the 90s, where everyone was continually adapting as web specs were negotiated." The difference is that now there are billion+ dollar businesses directly tied to that ad revenue.
Apple decides to start notifying on cookies or make fingerprinting harder? Poof. There goes a chunk of your ad value per user.
And who knows what any given browser vendor will do tomorrow?
Some would say "So it's like the 90s, where everyone was continually adapting as web specs were negotiated." The difference is that now there are billion+ dollar businesses directly tied to that ad revenue.