I can understand ROL being keener on customers like Ad6 and RPC users at the moment, rather than on having to work round the Iyonix compatibility issues without Castle's positive involvement. That's just being realistic.
OTOH I have a sneaking suspicion that making the Select PRMs free has dropped the revenue stream on their sales from effectively zero to, er, much the same really. Possibly more a case of nothing to lose than a genuine understanding of its importance, but it's a start. Let's hope it's rewarded by renewed activity.
Hopefully too, with the Select PRMs out there and RISC OS 5 becoming available to hackers, we might see a degree of OS re-convergence by adding Select/RO6 compatibility features to RO5. That has to be good for programmers, and hence also for users.