I totally understand this from a rational standpoint, but if you take that to its logical conclusion, you expect that nothing will happen in that year that is v

I totally understand this from a rational standpoint, but if you take that to its logical conclusion, you expect that nothing will happen in that year that is very interesting or rare, so why look at all? Sure, our timescales are nothing, making what we have even more valuable, no? We've missed out on a whole lot of observations - we have a lot of catching up to do!