[ He was too distracted by being young, then older, then young again, then even older, then randomly dancing and at some point in there being a kung-fu dugong to talk to homicidal-Vash, but that means nothing for Usopp's post-following capabilities. Such as they are. ]
Experiments happen. All that stuff you were saying before doesn't mean anything now.
[ voice ]
Experiments happen. All that stuff you were saying before doesn't mean anything now.