It's funny because it's the same discussion that Bronze was having in the early years of this board.
For raw, not by anyone with a brain, and those were likely the usual suspects from the GA forums, looking to have some fun. CGC 9.8+ is a different animal, and many "low census" BA books have come down in price, some precipitously so.
Since I've been collecting comics in the early-80's, the year 1977 has been a firm delineation between "collectible" and "over-speculated" and over the longer-term, I still hold to that.