Yes, but the Wizengamot is stupid and Dumbledore etc wouldn’t be listening for changes; all Harry needs is one clear contradiction or impossibility. (What is it? Dunno.)
OK, but he hasn’t listened and hasn’t caught this contradiction, and nobody else has, either. So he won’t go back to plant anything.
And if he did, it would just raise a huge question of why her testimony differed in an important respect from the testimony she had given a day before on the same subject, also under Veritaserum.
And Harry doesn’t yet know what has already happened—he wasn’t listening.
But whatever happened has already caused the Wizengamot to find her guilty and vote to sentence her to Azkaban.
Yes, but the Wizengamot is stupid and Dumbledore etc wouldn’t be listening for changes; all Harry needs is one clear contradiction or impossibility. (What is it? Dunno.)
Except that the Wizengamot is stupid. They might not care that Hermoine’s testimony is inconsistent, or they might put it down to bad memory.
OK, but he hasn’t listened and hasn’t caught this contradiction, and nobody else has, either. So he won’t go back to plant anything.
And if he did, it would just raise a huge question of why her testimony differed in an important respect from the testimony she had given a day before on the same subject, also under Veritaserum.