> Step 2: 'oh look at all these people bypassing the law. It's so simple for a child to watch porn with this.'
This would be a demonstrably stupid argument. A parent who simply opens the box and does 5 minutes of setup before giving their child a new $300-2000 device, and maintains the most basic awareness of any rogue devices (i.e. ask questions if a new phone appears) is all it takes to make sure no "bypassing" takes place in your home.
Anyone claiming "all these kids are bypassing it" would be lying, unless the law isn't even being enforced or sites aren't cooperating. And no law can overcome those problems.