Well, the overall sense was that Sibelius was one of the few bright spots for Avid... but of course Avid has been bleeding red ink for a very long time...
Off the top of my head I forget the exact programs, but IIRC they paid roughly $50 million for was it Pinacle?, and sold it to Corel for $3 million at the same time they "downsized" the Sibelius staff and "offshored" the coding to Eastern Europe. So, as far as the program itself goes, Avid kept Sibelius.
Simply stated, Steinberg hired the brains behind Sibelius.
Spacey, I agree with you.
Overall, there are good long-term (but who thinks that way any more?) reasons to sometimes offer features that offer less overall profit, but keep the overall program full-featured and with a higher prestige factor.
I think that is one way Steinberg could benefit long-term. Since the former Sibelius program designers will be, in essence, starting over, it will likely be awhile before anything new or significant reaches the market.
The concern then is strategic. IMO Steinberg is seeking to think strategically, for the long-term. I see Cakewalk operating more along the lines of business as usual. Given that sequencer programs have reached maturity, as have notation programs, if - and it is a big if at this point - Steinberg can figure out how to really integrate top flight notation into a mature sequencer, that would be a major advancement in terms of offering a complete product.
As I mentioned in my original post, I have become quite content with my Finale > Sonar composition workflow, and can live with the limitations of my current setup. But, from a Sonar perspective, there are signs of some serious clouds just over the horizon.