Earlier quoted context omitted.
I understand being for privacy, but on the flip side, information about you can result in a better experience. E.g. in the case of tracking where a person comes from, that can help those two websites improve by coordinating with each other in some way. Or your ads might actually show you something you didn't know you existed that you end up buying. That's probably better than seeing ads you likely have zero interest…
I started writing a follow-up half an hour before you posted, since the parent comment has been unusually highly voted. I dropped it again, but now you’ve given me something to respond to. I say I’m broadly anti-tracking. I think it’s clear by this point to anyone with a skerrick of wisdom that the logical extreme of tracking is bad. But for a long way it seems innocuous. So how far do you go before declaring it unac…
Will you? You made a widget and you're trying to sell it. You've taken out a second mortgage on your house, and used up all your savings. You're down to your last $10,000. If you don't start making sales soon, you're sunk. Where do you spend that $10,000? Facebook? Instagram? Google? TikTok? If you don't know where your leads are coming from, how do you know where to spend your marketing budget?