I agree that q-day is coming much sooner than most people think. Trying to fix this issue with Bitcoin is inherently difficult because it's a problem that doesn't exist, yet. Convincing people to solve for something that is going to be an issue at some unknown date in the
You won't lose your bitcoins if a quantum computer is built, because a bitcoin will instantaneously be worth $0. Even if the QC is a super-secret project, as soon as few account are compromised, sell panic will spread.