Yeah, I've been watching this thread too...I just wish I had one of them popcorn munching smilies to use...
Anyway, FWIW my take on the pre 90 is that it IS inevitable, even though I struggle personally with the technology similarities with modern bikes.
What I would like to think may happen (in my utopian world) is that some people will be drawn into the Vintage scene by the pre 90s and then get fascinated by the pre75s and earlier, thereby preserving their competition and relevance.
I will say however that there are many around this sport that are in denial about the "younger" bike classes and in my opinion, this is not a good thing for the sport as a whole. It's much better to
include than exclude simply because it's a positive not a negative and people respond much better to positive inputs.
I am fortunate to be exposed to all kinds of bikes nowadays and I have to tell you that regardless of my personal preferences, some of the older bikes are just plain
beautiful to behold. Hopefully, some of our pre 90 newcomers will feel the same way about our pre 75 bikes, when they join our ranks.