It seems you're making an argument of the form "it's too difficult to collect real evidence. In fact, here's an example of a way to collect real evidence that is ridiculously difficult. Since we cannot collect real evidence, we need not use it to make arguments."
Just because it's difficult doesn't mean you can jump to conclusions based on speculation.
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It seems you're making an argument of the form "it's too difficult to collect real evidence. In fact, here's an example of a way to collect real evidence that is ridiculously difficult. Since we cannot collect real evidence, we need not use it to make arguments."
Just because it's difficult doesn't mean you can jump to conclusions based on speculation.
No it's not difficult at all. Re-read my comment and see how I gave three clear examples that explain Google's "best results for the users" bullsh*t.