I'll go out on a limb here and guess that Bruno Guimbal and his design team carefully weighed the mission requirements against the pros and cons of carburetion and fuel injection.
I somehow doubt that the decision was either "dumb" or ill-considered. Just because a pilot disagrees with a design consideration doesn't make the configuration "stupid."
Likewise, I wonder if the gushing over the reliability and robustness of a design is valid without understanding the total flight hours vs. other designs, and without having seen one up close.