It's always the same narrative: "it's still far away," "we don't know when," "it's not a concern yet"... but the key point is that real technological progress, especially in private, corporate, or state environments is not necessarily made public. Relying solely on what's published in academic papers or announced by public companies is naive, especially when we're talking about global financial security.
Then we should start worrying and stressing out REALLY bad because what if the actual technological progress out there in the private enviroment is technology that is over 1000 times better than the Quantum Computing we know of?
I'm not saying the quantum apocalypse will happen tomorrow, but I also don't think it's wise to live as if it's impossible in the coming years. If your wealth depends on the assumption that no one is making significant progress behind closed doors, that's already a serious vulnerability.
I prefer to work with safety margins, not bets on the unknown.
But nobody says this should not be considered or should not be worked on. It is worked on already but right now, Quantum Computing still does not pose a big risk to Bitcoin due to it still being SO far away even from becoming available to the end user.
I prefer safety margins too, but to me right now the priority safety margin that should be considered is whether a big change to Bitcoin that involves protection against Quantum Computing is capable of haltering the progress Bitcoin has had so far. In my view, this is closer to Google finding a better name to rebrand itself to. Competitors may pop up with a better brand name and a better logo, but this does not mean Google HAS to rebrand itself. It is more dangerous to its business than quickly finding a more modern name with little research and experimentation.
If you were here when Bitcoin split into Bitcoin and Bitcoin Cash, you would know how divided the community was. It still is, even today. This was also not the only time we had the community divided. I definitely do not want this scenario to repeat itself.
Other projects may be Quantum resistant, but if they fail they are yet another drop in the ocean of shitcoins and failed projects. Bitcoin is the biggest of all, of course it needs more time to adapt and it needs a lot more time before a big change is deployed. And in my opinion, it is for the better of it and its future.