Motorola based PowerPCs are aimed at embedded systems, but the currect G5 isn't. It's a cut down of IBMs POWER4 series of high end processors designed for more modest workstations and blades.
The Apple complaint, if they ever publicly slagged of the PowerPC, which I find hard to believe (produce a qualified source of Apple slagging off a major supplier and I'll happily believe you thought), would only have been referring to the G4. But the embedded nature of the G4 mean's is whizzo for PowerBooks. Apple get the benefit of 64 bit workstations and Powerbooks/iBooks with fantastic battery life.
And as for companies stuck using embedded system's chips, pot, kettle, black