The Shift Left movement has been a hot topic for a number of years. Building security into the development cycle as early as possible helps create fast feedback loops and accountability in development teams, reducing organizational risk by helping DevSecOps teams build more secure code. For a while, shifting left was the obvious thing for IT teams to do, since the historical model with a final "security gate" before release into production no longer works for a number of organizations.
But is the Shift Left movement a “silver bullet?” No, and it should not be treated as such.