More than this. The research enterprise is inherently uncertain. Sometimes you will fail. Having your entire livelihood depend on not failing creates a moral hazard.
This is a skeet about stability being essential to innovation.
Kris Willis
yes but I would be more specific about not putting ALL of your salary on grants. Some significant proportion should be borne by the institution (for example, at least 50%, happy to hear alternatives!) to avoid them gaining the indirects without investing in the PI