You make a fine point. Amended the intro. The original idea that popped into my head was, "what if an image was a BF program?" With compression and/or palette

You make a fine point. Amended the intro. The original idea that popped into my head was, "what if an image was a BF program?" With compression and/or palette reorganisation, of course more BF can be fit into an image, but it wouldn't be a pure BF program.