San Francisco 49ers dismiss defensive coordinator Steve Wilks after Super Bowl loss to Kansas City Chiefs.

Questions arise about defensive strategies; Shanahan's timeout call during crucial moments scrutinized.

Wilks joined 49ers in 2023; previously worked with Carolina Panthers and Arizona Cardinals.

Despite defensive improvements, Wilks' tenure cut short; team seeks new coordinator for upcoming season.

Departure underscores organization's commitment to addressing shortcomings and improving defensive performance.