Yeah, it's just such a small component of your deck, and if he hits it, oh well, you'll almost certainly be able to buy another one real soon. There are also still 2 Peddlers you can grab.
Straight trashing the Provinces is giving up a lot for a pretty marginal speedup here. With many of the boutique trashers - Salvager, Bishop, Remodel, Expand - it would indeed be a very good play.