The phase-out plan was designed and signed off by a committee which involves unions, environmental organisations, and power/mining companies. Future governments can use this fact to hold the power companies to account.

You haven't seen the union workers on friday protesting for a sensible transition. These aren't men that doubt climate change, these are men fearing about their job. If you have a house and a family to care for, change within 5 years can lead to huge political backlashes (in local elections).

Also, this was the coal commission suggesting a strategy, not the government (with plenty of old ministers though). What the government is doing with this now, we'll see