I'm assuming the rationale is that the general Bitcoin discussion is only to be used for Bitcoin specific discussions. Your question is related to blockchain as a separate technology. It is not focused specifically on Bitcoin and does not fit into any of the Bitcoin specific boards. The knee jerk is to move anything else out to the Altcoin boards.
Personally I'd say blockchain discussions (your post) would fit into the Development & Technical Discussion child board; General Bitcoin would be my second choice.
That said, thanks for an interesting post. I appreciate it.
I just assumed "blockchain" would fall under Bitcoin Discussion since "blockchain" is one of underlying
systems within Bitcoin and I thought I've seen many "What is a blockchain?" and other such threads there.
So I guess you are correct and the reason is because it addresses the current Ethereum issue (knee jerk to altcoin).
Thanks for your answer and your interest (the poll and thread's comments are pretty sparse, lol).
I'll leave this thread unlocked in the event a mod responds in the future.