It took me a while to realize this, but the purpose of the standard candles is to identify a subset a of Pokemon Showdown users using Pokemon, movesets, abilities, and/or items possessing unequivocally no competitive merit. The candles are not meant to filter out, but the provide one with a sample of obviously uncompetitive players as one would use this information to determine what a rating of an uncompetitive player should be? The designated criteria of the standard candles are obviously theoretically useless in gameplay, and thus their usage should be correlated with a player's ineptitude (such ignorance of game mechanics and/or lack of knowledge of the Pokemon's movepool) or lack of competitive intent (such as trolling). Moreover, even competent players who use the standard candles would be handicapped severely and this would adversely affect their potential rating.
From the data set of the users who have a standard candle, one could know the average rating of non-competitive players and then set a cut-off that would practically exclude them. For instance, if the average rating of Gengar users having a physical attack (barring Focus Punch which has some situational merit) is 1450 GLICKO with RD 70, setting the cutoff at 1600 would exclude those players from influencing tiering (their weight would be less than .02).
Still, I believe it is better to base tiering on empirical statistics rather than on inexact theoretical considerations (theorymon isn't
quantum electrodynamics where one can get verified quantitative predictions down to many sig figs!) about the efficacy of a given Pokemon and subjective preferences and considerations that are similar to viability rankings. However, one should have some theoretical understanding to know why certain Pokemon are more useful than others in a given metagame setting that can explain the usage trends. But regardless of any theoretical considers, the competent players will simply use what works; tautologically, if they did not, they wouldn't be deemed "competent" or "competitive".
----
I wonder if Antar decided on a criteria of standard candles and determine the strength of uncompetitive players.