Sure, why not? One, huge reason behind this is because, well, I'm kind of more connected to original Ruby, Sapphire, and Emerald than Omega Ruby and Alpha Sapphire, in a way. Due to this, latter two don't precisely seem to give off the same vibe to me as former three.
I have been planning to give RSE a go couple of weeks before ORAS release, actually, but decided not to, as it would ruin some of my fun from ORAS and whatnot, as they basically have same events, features, characters, and so forth. Though, I'll definitely be playing them once more later down the road once I get the chance.
Last time I had played these games would be about six to eight months ago.