If you plan to get (or have) a digital back like the CVF 39 or CVF 50, the CFE 40mm should be a better performer
The theory is absolutely correct: There is only one true point of focus.
In practice you will find that hyperfocal operation of the SWC is quite acceptable.
A well known pro who specializes in wedding photography uses the SWC for this purpose.
He says: "At F 5.6 anything from 2m till infinity is sharp with the SWC"
I have several Super Wides ranging from old to the latest 905.
Handheld photography, with or without hyperfocal, is a treat with these cameras.
In practice you will find that hyperfocal operation of the SWC is quite acceptable.
If you plan to get (or have) a digital back like the CVF 39 or CVF 50, the CFE 40mm should be a better performer