[Cryptography] Why Quantum Cryptanalysis is Bollocks

[Ralf Senderek]

On Fri, 2 Aug 2024, Phillip Hallam-Baker wrote:

> I estimate there to be at least a 1% chance that someone will build a CRQC
> within a decade, it is highly unlikely to be much more [...]
> 
> The notion that you can stack quantum states infinitely is not proven by
> experiment and there is a good reason to suspect you can't - the states
> collapse. What if the probability of collapse increases with the number of
> stacked states?

You have just stated the empirical reason why the chance is not 1% but
probably 0.0001% or much less. So what is the reason to direct as many
resources to fend against this "threat" given all the other problems
we face?

Ralf