Emotionally manipulating people for profit, harming them not just by annoying them but also by impairing their ability to make rational decisions, is always wrong. And that's what advertising is.
If you sell yourself into slavery, you don't become a slave. If you use a product "in exchange for ads", you don't lose your right to protect yourself from them.
If you sell yourself into slavery, you don't become a slave. If you use a product "in exchange for ads", you don't lose your right to protect yourself from them.