Preach it, but I dunno. I've begun to hear grumblings from old grognards who are very tired of the space marine focus and all they collect is marines. I think 40k was its own unique mix of Imp, chaos, and xenos in harmony that made it so famous. Now though it may as well be Imp central with a splash of power armor chaos. Someone posted a sales chart for 40k showing its actually went down a tad in sales and then plateaued late last year (chapter approved) until now. Lots of people are getting sick of the absolute favoritism of models, lore, and rules imbalance towards Imp and none of these are being addressed. I think GW is trying too hard to turn it into 30k but 40k was and always will be more popular than 30k. So naturally people are slowly catching onto this that the game is way different now. I don't know if we will see them go back to the lows of before but a slight depression seems likely at this rate. I lost the chart, but if I find it again I'll post it here. It doesn't help chapter approved may as well have given into the demands of the ban FW people and destroyed the viability of almost all FW models on the tabletop. I hear internal rumblings that FW is super ****** mad at GW right now and thinking of what they can do to hit back as that hurt their sales badly.
I know it seems unlikely, but well GW has messed up 40k before. Yet AoS is going strong and every year seems to get better. All that is golden does not glitter. Its really a shame since I was a 40k player too, but lately AoS has been so much better its hard not be excited for it. I think at this rate the only thing GW can do is make Warhammer 50k and make totally new takes on all the armies and make it back to the glory and balanced take on things of 40k. Let 40k exist as it is now, but 50k would allow for a near complete reboot of the setting AoS style.