Says he was suspended, not fired. Also, he was deliberately messing with their metrics. Presumably they want to sell or otherwise discard books that no one is checking out in favor of ones that have useful and relevant information. By pretending that the ones no one cares about are actually popular, you're preventing the library from acquiring books that people actually want to read.
Their metrics may be flawed, but it's not like all discarding of books is a bad idea.
Their metrics may be flawed, but it's not like all discarding of books is a bad idea.