Colt is pausing production because the market is flooded with AR-15 manufacturers. It's simple supply and demand. Colt hasn't stopped, the market is saturated and they're building other guns until it becomes profitable to make them again.
This may be a stretch for you, but try reading the statement again. Take your time, I know you can do it.
"The fact of the matter is that over the last few years, the market for modern sporting rifles has experienced significant excess manufacturing capacity," Colt Defense LLC president and CEO Dennis Veilleux said in a statement Thursday. "Given this level of manufacturing capacity, we believe there is adequate supply for modern sporting rifles for the foreseeable future."
Besides, Colt isn't the go-to brand for AR-15 rifles. BCM, Daniel Defense, JP - those are high-end rifles.
I think I might build another 1911 while I'm at it.