I'd welcome your contrary explanation if you have one handy.
https://www.govexec.com/federal-news/1998/12/the-myth-of-the...
If US gov bought cheap plastic stuff from another country instead there can well still be corruption expressed in their choice of suppliers etc.
Naive or not, this turns out to be true surprisingly frequently.
> When the 707 fell out of use in the United States, the trash can was no longer a “commercial” item, meaning that Boeing was not obligated to keep its price at previous levels
So now one can look why it cost "mere" $300 before, unless Boeing losing money back then the price hike may be shady behavior and then someone should change supplier asap.