McGrath-

You may want to re-evaluate your assumption that "all (mates) being equal" in this song as composed by Lawson. The fourth verse runs (emphasis added):

We roared "Lang Syne" as a last farewell,
But my heart seemed out of joint;
I well remember the hush that fell
When the steamer passed the point;
We drifted home through the public bars,
We were ten times less by one
Who had sailed out under the morning stars,
And under the rising sun.

However, you are correct that "Len's a match" is unintelligible to listeners in the States and that we grew weary of introducing the concept.

It is one of our most requested songs.

Cheerily,
Charley Noble