People dropping FI setups like hot potatoes

The biggest problems with EFI are the owners who install them. EMI/ RFI is likely the biggest culprit, followed closely by things like ground loops

I'm not sure I agree that they are going like hot potatoes, or dropping like flies. Remember, there are vast more numbers of DIY EFI now than there was just 5 years ago. I cannot even name all the brands, Holley, Edelbrock, FAST, FItech, Megasquirt, some small companies I don't know about or cant remember. And remember, some classes of NHRA and NASCAR are now EFI, both Holley