The screener is only as good as the information that investors put into it. Too little information may generate an overwhelming number of results. Conversely, the more specific investors can be the faster and more efficiently they can make use of the data. However, being too specific may lead investors to fall prey to confirmation bias.
Another limitation that investors should be careful to avoid is analysis paralysis. Screeners are a helpful starting point, but investors should have a clear plan for how they plan to use the information they get from the earnings screener as part of a trading or investing strategy.