According to reports, the Galaxy Z Flip 3 has been selling so well that it may have brought about the Galaxy S21 FE's demise. A shortage of Snapdragon 888 chipsets has allegedly forced Samsung to reassess its flagship offerings going forward.
https://www.notebookcheck.net/Samsung-Galaxy-S21-FE-reportedly-cancelled-because-of-two-external-factors.566477.0.html
Just give the S21 a discount and call it a day
Concidering that 888 overheats like a dragon the loss of s21 fe is not a big deal