It is a long way from being a threat right now, and there are many hurdles to overcome.
Still, there is a huge upside financially to advancing quantum computing, which is always a big motivator. In the meantime, learning how to strengthen bitcoin's security can only be a good thing.
It might be too late if we wait for "something interesting" to show up.
Yeah, there are a ton of people getting paid to work on Quantum Computing. There seems next to no meaningful progress for decades for the amount of money that is being sunk into it. While the algorithms seem reasonable, the engineering challenges appear insurmountable, to the point that the whole field appears like bullshit technology to me.
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