By late 1978, punk is dead. It had lost its energy while other youth movements moved in to takeover by which point it had gone 'overground' anyway, having largely been co-opted by the mainstream. Sid Vicious' untimely death in early 1979 is seen as the symbolic termination point.
When did punk die?
Sid Vicious' death in 1979 is still often considered the day punk died. For some, Green Day's ascension to the top of the pop charts with "Dookie" 15 years later was like the music industry kicking a dead dog.
Is punk dead 2020?
In 1981, British punk commandos the Exploited famously wrote “Punk's Not Dead.” It was a response to people persisting that the genre was bundled up tightly in Sid Vicious' coffin and buried. ... Because by the looks of this countdown, punk is eternal. These are the bands that are keeping punk alive in 2020 and beyond.