I do honestly wish DE would focus more on the core gameplay, i feel like Liches were partially or mostly squandered by the focus on Empyrean and Empyrean is so ambitious and yet also... different. I play Warframe to play Warframe, Warframe has a lot of modes and features, but it sticks to one form of gameplay. That form of gameplay is not Empyrean.
It's great that DE isn't just falling into a pit where all they're doing is periodically releasing new weapons, but they really need to stop working on all these large-scale projects that take years to develop even in a barebones form. Like we've still got the Duviri Paradox coming with all the wacky stuff that was in that teaser and the New War. This sort of passion could be put toward making a smaller-scale idea far more polished, but instead they bite off more than they can chew and rather than actually chewing it thoroughly they just try for a bit then go for another bite anyway.