I don't think that the EWH relics are sub-optimal at all, I like the constant boost instead of a short time boost where it's quite possible to forget taking advantage of every time, activated wrong time and an annoying cooldown on that clicky relic makes it worse. A loot of good players use 2 EWH relics.
I would never criticise someone for having that preference, but I would take issue with you saying its better. 2 EWH is popular because its set and forget, you never have to worry about clicking it. Also I only said sub-optimal in relation to the encounters that call for the click relic, which is enough to reason that having a click relic on hand is sensible, and weighting your stats with assumption of 2 EWH is not wise.