Everyone loves villains, and there are some very real reasons why 90s Dragon Ball had such an obsession with Evil Goku.
Turles is able to hold his own against Kaio ... inadvertently sets the series into motion when he sends his son Goku to Earth. Bardock is shown to be perceptive and brave, but his strength isn ...
Broly and Paragus survived in different ways in their canon and non-canon versions. Other surviving Saiyans like Turles, Bardock, and Tarble exist in non-canon material.