The government continues war\policy 1. People continue criticizing.
The government starts war\implements policy 2. People criticize.
The government continues war\policy 1 and war\policy 2. People continue criticizing.
...
Of course, Iran is now threatening free trade through the straits of hormuz. Would you call intervention to protect free passage "toppling foreign governments" because they "make decisions we don't like"?
It really does not matter. US of A could never prove the existence of WMD in Iraq. In fact, all of their claims have been proven to be wrong. Millions dead. People who started the war are enjoying retirement sipping on the costliest wines.