What Microsoft can teach Apple about security?

Is Apple's approach to Mac OS X 10.5 security about stupidity or arrogance? Maybe Apple needs to learn something from Microsoft. Last night, I read an Heise Security report about Leopard's firewall being turned off by default

Is Apple's approach to Mac OS X 10.5 security about stupidity or arrogance? Maybe Apple needs to learn something from Microsoft.

Last night, I read an Heise Security report about Leopard's firewall being turned off by default