To challenge your quantum thesis:
You base your assumption on the bad performance of quantum resistant altcoins. It might be possible that the understanding of bitcoin vs crypto is so developed in the market that enough people don't buy in to those shitcoin roadmaps, know that it will just be quantum resistant shit and as a result don't buy them.
Hence the impact of quantum fears could be higher than you estimate.

I was stunned to see some fairly new bitcoiners in my circle cheer for the current crash because they are happy for a better entry price and now go in without fear and with (for them) relatively big size.

At this point it's still hard to imagine for me where the demand should come from to push BTC back up in the short-medium term with the gold narrative running so strong and lot's of capital flowing its way.

What are your thoughts on future demand?

I don't like the "the printer will save us" narrative. Feels like we're too dependend on the FED.