Earlier quoted context omitted.
> It's just that most companies are using crap ad tech. Including Facebook, apparently. About 90% of Instagram ads were irrelevant to me for about two years. Then I mentioned an interest in photography in a private conversation, now 75% of ads are photography-related.
I once let my then 13yo borrow my laptop to do some research as he wanted to start experimenting with modded minecraft. I sat next to him while he researched minecraft plugins - no opportunity for him to hit some cough other websites, it was totally legit browsing session. Let's just say the advertising bubbles that Google rammed me into literally forced me to install adblockers just to make my web browsing experienc…
The problem is that the entire advertising industry is crap and has successfully contaminated and taken over the tech industry. The only way out is regulation so that 1) advertisers are liable for what they display (to discourage scam or illegal ads - and in some countries NSFW content would fall into this category as you're supposed to ask or verify the user's age) and 2) privacy regulations that make targeted advertising opt-in so that overall the cost of advertising becomes too great and starts allowing alternative monetization models (such as actually asking the user to pay for the service) to compete.