So google (or whoever) can just tell stonewall investigators and/or inform them they are GDPR compliant and that's good enough? Are the investigators going to b

So google (or whoever) can just tell stonewall investigators and/or inform them they are GDPR compliant and that's good enough? Are the investigators going to be allowed to examine intellectual property? Sorry for all the questions I am failing to see how this will be able to be enforced