They always use this excuse. Just how they want to ban the carrying of knives exceeding 6 cm in length after the recent terrorist attack where the guy used a 20 cm knife whose public carrying was already illegal. And a few days later another attack happened with a 30 cm knife. 🙃And just like the September 11 2001 attacks were used to push for more surveillance in general.
Probably just an excuse
You don’t need to ban encryption or scan everyone’s messages to stop internet pedophiles.
These people organize quite publicly. You just need to get enough people to infiltrate their rings to shut them down.
On YouTube there have recently been bots that are commenting on popular YouTube videos and advertising that they have access to illicit material.
There is an entire community of “Minor Attracted People” on Twitter.
Surely the police also have access to info about known offenders that have been released and can monitor their online behavior to see if their engaging in illegal conduct.