Some people truly believe the computer is hacked every time there is behaviour they didn't expect. Only the craziest, least capable ones show up to scream at you like you caused the whole thing.
That is the problem. He should have contacted them like he did the second time. When he went into their shop, it all depended on that particular employee, and you can't blame that person for not recognizing the issue.
yeah the false positive problem is huge here. For every legitimate security professional there are probably 10-100 schizos who believe they are “hacked”
I was mentioned in the media once for an unrelated internet protocol vulnerability and I had people contacting me about their "hacked" internet connections.
For a major cable ISP, I can't imagine how many customers walk in to replace their "hacked" boxes on a daily basis.
