That it is folly to assume that an album that doesn't make the list isn't a Hex D.

If the lowest album on that list isn a Hex D then there could be plenty of more albums that is a Hex d as well

John Mc just give more reason why there would be more albums as there are albums he hasn't made up his mind yet that could potentially make the list. Which means potentially stacks of Hex D out there that remained unreviewed and unlisted. I certainly wasn't assuming anything (although I suspect John Mc was suppose to be replying to Reagon not me)

There is absolutely no need to revise anything. The list was the top 150 albums with max 5 album per artist and excluding live albums at that particular period of time. Time progresses means they may be changes in the list if it is done now or years in the future as opinion of albums start to solidify or albums growing on you or falling off you but that wouldn't invalidate the original list as it's a reflection of taste at that period of time (similarly that top 150 list didn't invalidate the
Original top 100 list)