[johnnycab]

>The only ones, which I could whitelist are when they use something like google shopping that has affiliate links and they're blocked.

If you have impatient shoppers in your household, the blocked affiliate(s) might be a benign issue at first, but when you miss out on a buying opportunity and then an algorithm prices it higher (while you are conducting a 'whitelisting' exercise) - things can escalate very quickly..