Because they think it may be a bubble. If it's not, no harm done to the hardware manufacturers, they just make more money per unit, but if it is a bubble, they don't want to be stranded with excess capacity.
There is potential harm if it’s not a bubble and their competitors scale and capture more of the market and they don’t. That’s why CXMT is a real wildcard - they could use this situation to become a big player.
