This is the second time I've heard of this. The last time, the window failed during install. BAS sent a new top and a shipping label, they wanted the bad top back to see what was wrong.
That was sometime in the last five years, but I can't remember when.

We put mine on in 2020 after I glued my old one four times. My old top didn't just have a bad window, it was attacked by an angry cat and didn't look all that perfect.