> What a typical back-ender would wip up in a couple of days using ES/Solr you now need a proper Math Dev to do and for the MD's model to become useful you need

> What a typical back-ender would wip up in a couple of days using ES/Solr you now need a proper Math Dev to do and for the MD's model to become useful you need them to hand it over to a distributed systems expert. This in itself is a good enough reason to be a sufficient argument to refute your main claim that FTS is dead. It will not be dead until an alternative is sufficiently commoditized so that regular backenders can set it up. It may be edged out of certain use cases where it is mission critical to get fantastic results, but there are MANY places of use where good old boring FTS is plenty good enough. Otherwise it wouldn't have been used in the first place.