Symantec’s CEO John Thompson has delighted Mac fans this week by saying (in a form of words) he thinks people should buy Macs instead of Windows PCs.

Why shouldn’t we believe a word of this nonsense? Well, just for a start, his company makes a fortune protecting PCs, so if people really did stop using Windows PCs on any scale that would disrupt the company business model.

Symantec is also said to be gripped with fright at the prospect of Microsoft murdering its market share in the anti-virus and anti-malware space in the coming year (Microsoft has started rolling out security software and services in recent months).

There are, no doubt, perfectly sane reasons for buying a Mac. But the special pleading of a security software CEO is not one of them.