Phil:
a: They still doesn't explain where the water came from.
Same as always. Nothing new to explain.
b: They don't SEEM to explain the almost simultaneous and near-enough exactly similar problem in two separate systems
Near-enough identical separate systems in same environment produced almost simultaneous results. What more is there to explain?
c: There is no scientific explanation
When it is fully sussed out it will appear in the appropriate peer-reviewed journals.
d: There are no proposed new rules for fuel and/or engine installations which shall apply to ALL aircraft.
Sweeping changes require specific knowledge - see item C above. In the meanwhile, making changes to anything other than the affected airframe/powerplant will not improve safety by a warrantable amount.