> Nice, but in the current environment this will turn into another wack-a-mole game since obviously Google &c don't want to be used this way. I've wondered abo

> Nice, but in the current environment this will turn into another wack-a-mole game since obviously Google &c don't want to be used this way. I've wondered about this (specifically in the context of DDG and Bing, but more generally). You say "another wack-a-mole game" (emphasis mine), so I guess that it's happened before, but I don't know of any occurrences. Has it happened that search engines have blocked this sort of large-scale aggregator/re-director type access?