I don't see how I'll be able to requalify for SEN with only 0.5x the miles for Q S V W after 2017, and I expect that the earnings for the other airlines will be aligned. So that will be it for me. Let's see where I can get *G after 2017 with less effort.
HTB.
As Lufthansa is leaving status qualification for 2 years, the entry 'barrier' is very high for people flying Y in less expensive booking classes. This aligns to other carriers like BA or SQ where status is awarded mostly or exclusively to people flying C and F.