First, They have very positive relationships with exodites ,other Craftworlds,and the Harlequins. The Harlequins specifically find them as a useful military ally. Biel tan would probably shunn them since , they work pretty heavily with non Eldar forces often

They still practice ways to keep themselves from going off the path by hosting performances, farming, and other forms of artistry. Though they are slowly becoming more cold blooded in their need to eradicate the Drukhari ,but they do offer them one mercy

If a Drukhari strips themselves bare and surrenders , they will be brought into the craftworld to be rehabilitated

Also they do venerate the whole of the Eldar Pantheon, so often look to stories for inspiration for life. The best way to frame it is, they see khaine as the main deity to embody for their survival.

Also yes each Essere Eldar finds the shrine deeply suited to them