> VP has the more difficult argument to make […]
True, if we accept that VP needs to go beyond pop-Popperianism.
However, this difficulty is mitigated by some insider trading:
When philosophers realized that an experimentum crucis is a rare event, the falsificationnist stock plummeted.
***
Speaking of which, Vaughan, the asymmetry Popper saw between falsification and verification was meant (a) to bypass any induction to universal statements, which he calls conjectures, and (b) to only accept existential claims for scientific inference, which he called refutations. Hence the name of his book.