I live multiple lives. I'm a father, a businessman, have multiple hobbies, do sports. Targeted ads mean this info can be combined. I can be profiled and abused. Algorithm has calculated what I might impulsively buy and shows me that personalized ad everywhere.

Non-targeted ads do not mean viagra ads. Non-targeted ads still have the context of the website/app I'm using.

Non-targeted ads mean that I can get ads about specific hardware when I browse my hobby forums; I can get ads about some interesting SaaS when I browse my work related news sites. I don't get anything that's targeting some calculated personality quirks of mine to the highest ad bidder.