If it was really beneficial to the consumer, Apple would have been advertising it before they were legally required to tell people about it.

Yeah, great standard setting by apple, supporting their users by intentionally slowing down their phones to encourage them to buy new ones.

Is the standard to attract class action lawsuits?

I figure it’s similar to why humans get the urge to throw things since that was our main hunting technique for a long time. We have entire sports built around it and just about everyone gets the urge to toss paper in the bin instead of just dropping it.