Devs at BF just want to keep adding features while ignoring performance.
Are you referring to tools handling high vertex counts in real-time, and general performance with really high res models?
If that’s what you are referring to, I agree. As far as I have seen they seem to be mainly focused on how quickly you can render in Cycles. That’s something I still like to see improvements in, and I don’t have a problem with them adding more features, provided that those features are useful like Eevee and some of what they showed they are working on for sculpting. But I have been wanting real-time performance improvements for a while. If they have improved things in that area, then I haven’t noticed.