Unfortunately while catching false citations is useful, in my experience that's not usually the problem affecting paper quality. Far more prevalent are authors who mis-cite materials, either drawing support from citations that don't actually say those things or strip the nuance away by using cherry picked quotes simply because that is what Google Scholar suggested as a top result.
The time it takes to find these errors is orders of magnitude higher than checking if a citation exists as you need to both read and understand the source material.
These bad actors should be subject to a three strikes rule: the steady corrosion of knowledge is not an accident by these individuals.
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