Probably. It would have to make a lot of assumptions to infer your intention when searching, at least in Maps, etc. current form.

A browser plugin to enable/disable Now tracking seems like it could be handy, however. Though then if you forget to turn it back on you lose what eitally mentioned: "I forgot X, oh, thankfully Now caught it".

But doesn't Google Maps have a history feature that syncs across devices? Now seems like it might be polluting that space.