I share your frustration with the Bychkov / Czech PO issues. The answer, sadly, to your point about Pentatone's priorities is that they have none - everything they do ...
Excellent Atmos release, more ambient than a lot of Yello releases. I purchased direct from the label, Ian Records, for reasonable price for a Blu-ray audio Atmos release ...
I have not listened to this yet and I do generally like Mälkki. She may be a more "lyrical" conductor than some. I recently listened to her recording of Bartók's Concerto ...
Glad to see BIS is still doing massive boxed sets. I hope BIS boxes up Spanyi's 59-volume CPE Bach integrale of keyboard solos and concertos - many years have passed since BIS ...