Go on then...

http://www.ironicsans.com/helvarialquiz/

I was correct only 12 out of 20 questions.

17 out of 20.
Helvetica is the slightly fatter, less snappy looking one.

Did they make the Scotch one in MS Paint? You can see they just brushed black over the old logo text and it doesn't match the background colour.

20/20
Matel was the only logo that used letters that all share the same characteristics in both fonts, had a lucky guess on it.
also the C in crate and barrel is not helvetica even tho the rest of the font is.

19/20 - Toyota boned me.

is this a thing?

have the strongly worded letters I've been penning to my lady friend been unsuccessful in their friend zone emancipation due to my childish inability to resist arial's seductive ways?

I thought you were a girl

Helvetica squares off the ends of their lower case letters which is the easiest difference I find. Capitals is a challenge!

that was tricky.

This is evil - evil I tell you.

I thought this was some kind of war against

The M is wider in Mattel, and the O is rounder/closer to a circle in Toyota.

stinky = lolz