"What better way to encourage people to upgrade."
The majority of their user base doesn't know and wouldn't care about this type of thing even if they did.
The majority of their user base doesn't know and wouldn't care about this type of thing even if they did.
Source: I'm a family "computer whiz" :/.
People understand if a system is insecure, and now apparently all non-Yosemite Macs are insecure. Folks will grok that. Whether or not they find out about it, well that's up to you and I, and everyone else on this website.
I agree it's up to us to proactively tell our parents, friends and colleagues who may be vulnerable about this problem.