Perhaps put another way - as a company grows a good founder needs to be able to locate skilled individuals with an appetite for risk, that are willing to bet on

Perhaps put another way - as a company grows a good founder needs to be able to locate skilled individuals with an appetite for risk, that are willing to bet on a vision and that founder's ability to execute that vision, and importantly can align with the founder on that vision. VCs help with this later in the growth cycle but the requirement is still there. Having a good cofounder signals you can align your vision with a similarly high performer and convince them you can execute