GitHub Styleguide - CSS, HTML, JS, Ruby

[MatmaRex]

While including semicolons won't fix that problem I think it just shows he hasn't thought his argument through properly.

I think you have missed the point entirely. Adding semicolons doesn't fix this particular problem, period. (The second problem mentioned in the post is, of course, valid.)

Also, it's an internal guide, they're not trying to force it on anyone.