jm ¯Þ¤f¹Gy¨íLÉ@·\ÍøMRÍ9)QLgsjLMiners value things in multiple timescales and they are clearly signalling their valuation by not going back to BTC despite being 500,000 exahashes ahead.
https://whatsonchain.com/tx/5fc4410cd771821fde041a2f62cc392076ba9e8e0d8e64b60f0ee7da0d136e57