America is very geographically dispersed. Any commerce that gets impacted generally only draws attention locally. And because of the strong urban/rural political divide in the US, you are mostly only going to attack your own interests.
That is not to say there is not a lot of active mobilization. Mostly through our legal system as well as PR.
Some other things to note:
- While the extent of the damage to the federal government is massive, the domestic impacts are not really felt yet. Most of the stuff that comes from "government" is paid for and administered at the state level.
- The current party won the popular vote and controls both houses of Congress. So most of the frustration is happening between the American people for letting this happen.
You don't seem to care.
This isn’t a civilized European country. Protesting only works when the people who can affect change are listening to the people.