Why did the sandworm shoot rocks in a square?

Okay, so I'm gonna fully put this to bed now. So anyone who thinks that spread is a square, so spread is when you shoot your weapon or not aim down sight. People seem to think, they're obsessed with the idea that it is a square.

Why, why do they think it's a square?

Because they have a square. They have sent me all these videos and they're just incorrect. But this is a picture of a video of when the sandworm was bugged. See this? And that's when they didn't have randomness in it. And it's a circle. So it is a circle. It's not a square.