> they are unsecure, often outside the control of the site owner and heavily rely on tracking.
- They attempt to influence me into buying things I do not want or need.
- They take up some of my attention, a resource that I consider very valuable.
- They create perverse incentives to create content that advertising buyers appreciate (particularly worrisome when we are talking about a browser, that I have to rely on to not sell out my privacy).
- The are often promoting things that are often objectively bad for me (e.g. energy drinks).
- They apply all sorts of psychological tricks, many with negative consequences (e.g. implying that I look bad).
The fact that Mozilla wasn't paid for this means very little. This is clearly Mozilla experimenting with a new channel of advertising that could be monetized in the future if successful.
