If Raditz became a good guy and switched sides in the Saiyan saga of Dragon Ball, how would that have changed the course of Dragon Ball? A lot, not that much? Who knows? Well, let's try and put together a likely scenario in the first entry in April's What If Week
I don't think Raditz was bad. Just a Saiyan doing what Saiyans do and following the orders of his ruler for what little people they had left.