I'm obviously missing something here. The inductive discharge mechanism is the coil. An MSD system still requires an ignition coil.
So I looked up the 2 definitions and the only distinction I can draw from the CDI one is .
I don't see a 480v pulse discharged from a capacitor into the primary winding of a coil to induce a secondary voltage of 10's of thousands of volts as being fundamentally different than a 12v pulse from a storage battery switched by points or transistors to same said coil to induce thousands of volts. At the end of the day they both use a coil to turn some volts into lots of volts via Farraday's Law.
To get back to the original debate about vaccine definitions, if there is a technical difference between Kettering and CDI, I think your analogy actually makes my case.
The original definition of vaccine specified dead or disabled virus or bacteria. Based on that, the jab does not meet that definition. Arbitrarily changing the definition to include any substance is no different than changing facts to fit a theory. It's point blank BS.
And I wasn't trying argue. Really.
Kevin