It would seem that on one hand, the parent company makes more on other lines than on these and has shifted resources, on the other, for whatever reason, they were not willing to raise their prices enough to make continued production feasible. The tariff wars with China probably had an effect as well.
Why? Perhaps this: As SACDs are finally showing up more frequently on Amazon (although often at twice the price of buying them directly from Japanese vendors), the market for OPPOs and other SACD players wouldn’t appear to be growing, and with brick & mortar mass merchants such as Best Buy shedding the stocking of any physical media, one could make a case that the days of any non movie only disc players being essential vs streaming services are numbered.
While most of us here would disagree, demographics support phones and tablets and (maybe) Blu-ray players as surviving longer...