Google did not kill Flash overnight; it was a slow, methodical euthanasia:

Adobe and browser vendors coordinated a multi-year phase-out:

Status: Discontinued (End of Life: December 31, 2020).

Despite its dominance, the Shockwave Flash plugin became the internet’s biggest liability.

Apple’s decision not to support Flash on iOS—famously detailed in Steve Jobs' "Thoughts on Flash"—forced the industry toward mobile-friendly standards.