This action is a huge blow to the tar sands overall, and if the other pipeline gets too many set backs the tar sands might actually fold from lack of investment.
I had literally zero hopes for Biden, and this is already a net good. Consider me surprised.
The libs aren't completely stupid. They will throw you a little bit of bone, as a treat.
Remember that they can govern how they like right now, completely, since they factually control the senate and house. Then imagine what you'd do with that power vs what they are doing.
Also: wait a year and see if it's still cancelled.