I've been making this point for at least 10y, and I think it's gotten 0% better. It's already infuriating how much data is collected about me against my will and any sense of ethics, but it makes me LIVID that all this invasion of privacy has completely shit results. Pretty sure I'd be more sensitive to advertising if it was fully random, at least I'd see stuff I was curious about or didn't expect I'd be interested in, instead of myriads of variations of things I already bought or that are adjacent to something I bought (and therefore I already have too).