What a difference an inch makes.

Totally false argument.

It’s true, these cars are nowhere near as safe as a modern car. So we’re all assuming some risk we wouldn’t be if we drove new cars.
Usually I let these things go but since you appear to stubbornly stand by your statement, here is a more detailed explanation.
Totally = 100%.
If what the guy wrote is true, your assertion that it is a "totally false argument" is wrong.
A flawed argument, maybe but not 100%, not totally, not completely or entirely.