I had several traffic tickets in the past but I have always paid my ticket/fine in whole and on time. I doubt those count as 'Interactions with the court system".

So since it would take felony convictions to qualify for the 3 strikes system, who cares if they were automobile (traffic) related. The fact is, it is still 3 felonies. Like already stated before, I doubt the only crimes he ever commited were the ones he was convicted for, it just happends to be the only times he was caught.