First of all, please check what is this Council and what are its accomplishments, then you will understand what is this hearing worth.

https://en.m.wikipedia.org/wiki/Parliamentary_Assembly_of_the_Council_of_Europe

Now, it is important to remember that all those 300+members are those the same people that in some time in the futurenwill be voting for so called „EU chat control” if it is accepted now by EU governments.

https://www.theverge.com/2024/6/19/24181214/eu-chat-control-law-propose-scanning-encrypted-messages-csam

In the end it might be just political game between the EU and UK+US. If Julian was some threat to them they wouldn’t have any hearing at all.