The correct statement is "every business model is at odds with privacy". Do you think your ISP isn't spying on you just because you pay them? Similarly you can sell ads without spying on your users, TV does that. And tracking user data is useful for businesses even if they don't sell ads etc.
Healthcare is an interesting example where regulations have shaped the landscape and similar regulations can easily hit other industries.
Among my friends there are so many that work for dodgy companies and believe they are doing something good
In Seattle my friends and I ran into a girl who worked for a spybar/spy install bar company and she was completely OK with it. She actually liked working there
Of course, now it turns out that Google, Facebook, Amazon do far worse stuff than spyware companies
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reminds me of an old quote - It is impossible to make a man realize something when his pay check depends on him not realizing it
> every ad-driven revenue model is at odds with privacy
I agree with this statement (assuming you're talking about personally targeted ads). Believe it or not though, there are ways to be evil that don't require invading people's privacy, and there are a lot of companies out there that engage in this sort of bad behavior.
I'm not saying that Google is perfectly ethical. I'm just saying that the other companies I've worked at have been worse, and that the heuristic of "avoid ad-based business models" won't necessarily steer you in the direction of an ethical career.
But staying out of the surveillance industry is table stakes for ethical employment.
Contextual advertising doesn't have this problem and in one recent case switching to it turned out to be more profitable:
https://www.theregister.com/2020/07/03/stop_tracking_increas... https://news.ycombinator.com/item?id=23737352