Nope.  None whatsoever.  The way I see it, it's pure opportunism on the part of whoever *developed* ETHW, and the asterisks around that word are because there wasn't any development at all; ETHW is just a clone, and in case nobody noticed or forgot, we have this little old coin called ETC.  Miners can still mine that one, though right now it's not profitable.  But in terms of functionality since ETC exists there's no reason for ETHW to.

Don't lose hope, GPU miners!  Everything is looking bleak right now, but we're still in an adjustment phase after ETH switched to POS, and nobody knows where they should put their hash power at or if they should simply put all those expensive graphics cards back in the bubble wrap.  Something is going to come along and make it possible to turn a profit, whether it's with a 4GB or 6+GB card.  I couldn't say when that something is going to arrive, but I've got faith that it will.