It's integrated in PB and people doesn't need to learn anything new to use it beyond the PB commands associated with it.Lebostein wrote: What reason is there to provide the commands for ONE of many 3D engines?
To use OGRE or any other engine you have to create at least a 1:1 wrapper to if you are lucky or convert it from OOP to a flat API and maintain it, not something everyone can or like to do.
Moreover being the "official" engine people can easily exchange code for it.
I don't use it, probably I'll never use it (never say never) so I don't care for its presence but I don't expect it to go away and I'm moderately happy for the people having fun with it.
It's a gentle way to approach and experiment with a 3D engine.