This is happening in other places already where the government refuses to comply and are getting sued. Here's one from Denmark:
https://ulovliglogning.dk/en/
The EU court has ruled (twice) that it is illegal to log everyone's internet and phone use. You have to have a warrant from a judge per case. So GDPR is irrelevant.
The ruling is here (in PDF):
"The Court of Justice confirms that EU law precludes national legislation requiring a provider of electronic communications services to carry out the general and indiscriminate transmission or retention of traffic data and location data for the purpose of combating crime in general or of safeguarding national security"
Re: Re: No need for the GDPR
This is happening in other places already where the government refuses to comply and are getting sued. Here's one from Denmark: https://ulovliglogning.dk/en/