Relevant XKCD : https://xkcd.com/1105/

Relevant XKCD : https://xkcd.com/1105/

The question is whether or not the people selling this data can still profit off of it or not. Otherwise, you're not really disrupting the system, you're just misaligning your own advertisements.
Cool. I think trackmenot https://www.trackmenot.io/ does something similar, just in browsers
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