Non speculative answer.
Sony has different priotities with adding features to the PS4. DLNA is a pretty high priority. They also have suspend/resume to work on. Tons of other highly requested features too.
The PS4 is more than powerfull enough to run PS1 and PS2 games. That's far from an issue.
I know squat about how Sony feels about the financial aspects of bc, so I can't answer on that.







