Maybe he means a product that has a definite on-going market? With dozens of once RISC OS educational houses now no longer making new titles, it is hard to sell new Acorns as an ongoing strategy.
The same was true of apple in the mid-nineties - even in their print publishing heartlands Apple were losing thousands of customers who thought Apple was a futureless system. Still, you'd have to be Steve Jobs x 1,000,000 to hatch a similar turnaround with RISC OS in British schools. Besides, British schools are so crap anyway giving them good computers would just be icing a turd.