I can see him capturing Law, but he‘ll likely just let them go, yeah. Pudding can join Law, so he has somebody who can read poneglyphs and she‘ll meet the SHs again .
Garp: Young lady, I can introduce you to my pupil, he is a fine man.
Pudding deserves better, as soon as she isn't with her crazy mommy anymore. The world is bigger than just WCI. There are many better men out there than her mommy's choice although tbf her mommy sets the standard kinda low...