To make Steemit useable in a VR environment you need to make it more interactive in some ways, you can't just 2D photos and videos and read text as this is not fun with a VR headset. The lack of depth (stereoscopic 3D effect) in the multimedia content and boring text would need some creative ideas to overcome and make something actually useful and not just some stupid useless app, because VR is cool. Though it is still good that you are thinking about it, just need to think about some more and find some good ideas... :)