Insurance industry to fail?

It's been estimated by some that the insurance industry will fail within 2 years. Here's the idea:

Quite simply, Obamacare has created a ticking time bomb for the insurance industry. Those with preëxisting conditions will be covered.....and demand continuation of the coverage at prescribed rates....and those who ignore the mandate, presumably anybody at all affected by it, face no consequences. As costs spiral out of control, premiums will have to rise and subsidies increase. Insurance companies would have to either fold or shift costs....to those covered by employers....becoming a perfect target for left wing demagoguery and vilification. The only way out as more and more of those covered by employers get pushed into the exchanges as costs get shifted to them and employers no longer offer insurance -- yet another intended consequence -- is the public "option" or outright nationalization through a single payer plan.