On a serious note: these people would take down Signal and WhatsApp without hesitation if they had the power.
They would also not be able to resist temptation to monitor everything there. And have very little confidence in judges holding them back, especially because they can always get the data via another jurisdiction.
> Cooperation between the Dutch and French authorities started through a JIT set up at Eurojust. By using innovative technology, the authorities were able to intercept the messaging service and monitor the activity on the service for three months. More than 2.3 million messages in 33 languages were intercepted and deciphered during the investigation.
End to end encryption is a right that was taken, would never have been given and probably needs to be actively defended forever.