Yeah, but you could also fund a lot of other research with this budget. The point is, physicists just don't know, if there are more particles existing. There is no theoretical theory there predicting particles at a certain mass with certain decay channels. They won't know what to look for. That's actually already a problem for the LHC. They have this huge amount of data, but when you don't know, what kind of exotic particles you are looking for and how they behave, you can't post-process the data accordingly. They are hidden under a massive amounts of particles, that are known already.