If we had 1,000,000 apps using the same tactics but in the end only 10 get successful would think the tactics had anything to do with the success of the 10?
You have to look at the losers too.
Nobody claimed that these strategies guarantees getting a global audience. What in the article would you claim is survivorship bias? Just looking at survivors doesn't automatically lead to survivorship bias, it is a good strategy if you just want to find a bunch of strategies that has worked rather than trying to gauge how likely they are to work.
