Search for 4TB or 8TB USB sticks on amazon.com. You’ll find dozens or hundreds of $20-30 16GB or 32GB sticks with hacked firmware to report a multi-terabyte drive size, and dozens of one star reviews talking about how it lost their data. Those sizes, if real, would be $400+.
Of course they know. They have no civil or criminal consequences for engaging in a conspiracy to commit large scale wire fraud, so of course they just let it happen, because who wants to speak up and cause the metrics to go down?