No, it shows that he's even more irrational. It shows conclusively that there was no plan -- not that anyone thought there was, but this proves it.
So Trump has ripped up all of our trade treaties, and now has absolutely nothing to show for it. We collected basically nothing from the one week of tariffs; we pissed off everyone across the world; and business uncertainty ramped up. For what? FOR WHAT?
The main non-tariff barrier US companies are going to be facing in the next couple of years is the resentment of other countries toward the US. These boycotts aren't going to just go away. And there are non-US companies getting free market share, which the US companies might find hard to claw back.