There is a level of mistrust. The lack of a consolidated effort by HB-LED manufacturers with OEMs has been a hallmark and a drawback for the HB-LED industry.
When you slot in that new card, what you're actually buying in terms of components is primarily a laser module and some electronics.
The reason is a growing need for bandwidth.
Subsidies were instituted that are now being used to pay telephone bills. That strikes me as something that Congress certainly did not have in mind when it passed the Telecommunications Act of 1996.
For the last couple of years, there have been relatively few technology changes. It's just been a matter of getting older technologies down to ever lower price points.