Earlier quoted context omitted.
That's considered "spray and pray" today. Today advertisers want data, data, data, and micro-targeting is everything. The entire advertising industry has become something akin to a private signals intelligence agency.
Today? For the past 20 years I've been hearing how data collection will enable advertisers to precisely target ads and that ads would go from being a nuisance to being useful. It's not working very well. How much more data do they need to collect before it starts working?
When you see an ad that's too tailored most people just get scared anyway.
Damned if you do, damned if you don't.