Nothing in the title or intro indicates that it was caused by environmental activism, just that it's a major positive step in their view.
The winning move is not to play.
Implies exactly that. If it had nothing to do with activism then 1) activism effort to influence investments failed and 2) this lends no momentum to the movement as it was a coincidence and could be changed tomorrow regardless of environmental impact.
The only way this is positive news for EA is if they spin and misrepresent it as is done here.
Oil may or may not have a bright near to mid term financial future, but Norway's move is either virtue signaling at the national level or diversification of a portfolio that's too heavily invested in that sector. In itself it won't change the oil market one iota.