Probably Anduin had a bad experience and vent's his thoughts, as he posted this earlier in another topic, to be fair... this doesn't even has anything to do with threaded cymbal tops,
Besides, its not for nothing that Gibraltar is one of the best hardware brands out there together with Yamaha.
Like Drumdevil9 mentioned, if you use a plastic sleeve nothing will happen to your cymbals :
You could even use a sleeve without bottom for the hi-hat clutch:
Gibraltar uses plastic sleeves on their cymbal tops...
(sorry for this long post wich is completely off-topic but this needed to be said ;) )