In what way has extinction rebellion changed anything?
They've met with UK Sec. of State for Environment [2]. Exactly what the OP advocates.
Majority of Britons now believe that climate change is more pressing than Brexit [3]
And so on.
[0] https://www.bbc.com/news/uk-politics-48126677
[1] https://www.youtube.com/watch?v=XPtAKjhT02s
[2] https://www.youtube.com/watch?v=EMGqP5rP8v8
[3] https://www.theguardian.com/environment/2019/jul/26/climate-...
That just means we're not going to do very much about either of those! Although grid decarbonisation has been a great quiet success so far. It's just that nobody seems to want to take credit for it and push on further.