I don't think FBW by itself is such a big deal, except it would seem easier to incorporate a reversionary pitch/power mode.
Maybe we will learn something Friday regarding how different FBW is.
Here is some "homework" for those who wish to get their minds ready to understand a bit more about what makes FBW different.
Fly-By-Wire A Primer for Aviation Accident Investigators
The quiz question is: How does the pitch feedback in the A320 at 180 knots differ from that at 230 knots?
