Unless the text of the law is "the company shall try very hard (but if they miss a weird edge case they shall be merely sent a warning letter)", the GDPR allows

Unless the text of the law is "the company shall try very hard (but if they miss a weird edge case they shall be merely sent a warning letter)", the GDPR allows selective enforcement. You note that it's already one rule for FB and Google, another for smaller companies. To what extent do you trust the courts to selectively apply the law in a sensible way, vs selectively applying the law in a harmful but legal way?