It's just not possible to predict what's gonna happen in 7-10 years, especially when the tech itself isn't even finalized

Yes, not predictable. It could even happen tomorrow.

'Whoever achieves it first - and it could be within as little as three years according to Cheng - don't expect to learn about it in the news.'

Move your coins from old addresses to make them quantum secure.
'Shalecoins', coins with no owner ' https://bitcointalk.org/index.php?topic=5134441.0 will be 'fracked'..

Quantum computers will surprise the Bitcoin community. The 'shalecoins' will be moved and will become active.