A week after the bug was discovered, the Bitcoin network was still vulnerable.

[phipham123]

More than a week after Bitcoin Core released an update for customers to address a serious service vulnerability, most of the buttons are still running on older software. That's a problem!
For vulnerabilities to stop vulnerable, the software run buttons need to upgrade. And that is not enough. Professor Cornell Emin Gün Sirer told the Motherboard that someone might have used this vulnerability,to sabotage the Bitcoin network for just $ 80,000.

So why do not people patch the holes?