This is exactly why GDPR is so essential.
Not a single thought about why allowing tracking or the trade offs for others gain had occurred before GDPR.
For a blog GDPR is a non-issue.
Though I'm deeply disappointed in how many large sites have interpreted "opt in" as spending 5 minutes vigorously unchecking boxes with ambiguous meaning, hopefully that will bite them hard.
This isn't rocket science. Yes, if you go out of your way trying to game your users privacy as much as possible then things will get hairy. That's a feature and the whole point.