It's disappointing to see GR choose to abandon the majority of their customer base.

Oh for goodness sakes. It's not like they had any real choice.
Yeah. I think its the length of their list of successful, non-D&D products that is the real driver here. "Mutants & Masterminds, A Song of Ice and Fire Roleplaying, True20 Adventure Roleplaying, and Freeport: The City of Adventure.""Abandoned" may be a bit harsh, but the general idea that it's not really a suprise is accurate I'd say.

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.