Aim at the center to avoid the short side
The speaker does not want to miss left of the flag because that would leave a short-sided position and make the up-and-down chance nearly zero. The stated plan is to aim at the center of the green, work the ball a tiny bit toward the flag, and keep the miss on the full green.
Channel: MrShortGame Golf
Watch official source at 0:32Why this context matters
Framed as the first of five common chipping/approach mistakes.