Do twin-blade / Twincutter circular saws produce a more accurate cut than regular circular saws? Do they have less kick-back? Do they reduce the tearout / splintering / chipping at the rear of the cut, compared to regular, single-blade circular saws? I'm looking for real-world experience, as I've seen countless sales-pitches on the matter.
The Twin-Cutter circular saws have two circular saw-blades spinning in opposite directions. It behaves similar to a regular circular saw, except with a slightly wider kerf (since there are two blades), with aparent benefits. Here is a sales pitch video on YouTube
Some additional articles which I find inconclusive: