lol. can you give me a few examples when tracking is noticeable?

Various forms of suggested content based on searches/purchases, etc.

how? you do not seem to be trying to understand this.

People mentioned the technical differences a bunch of times. If you mean that I should get a PhD in network traffic and filtration to fully understand how these technical differences affect end-user experience, then yeah, i guess I'm not trying to understand it.

If not - maybe you'd be the first to give me some actual info?

https://github.com/uBlockOrigin/uBOL-home/wiki/Frequently-asked-questions-(FAQ)

None of this explains what I"m looking for. Seems like you're arguing in bad faith. :)