I think the problem with Escha was that for the first few weeks, silt was very hard to get due to lots of competition, low level mobs, 5 minute repops, and expensive tribulens.
While SE fixed it after a while, it left many players with a bad impression they are unable to get over. It also probably didn't help that the majority of the Escha gear is augmented, which means that players can't see the final stats and get excited from just the dat mined pieces.
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