I have had it twice - both times I was working - so I pretended to go along with them. I faked crashes, and restarts (each that took ~ 5 minutes) while I went o

I have had it twice - both times I was working - so I pretended to go along with them. I faked crashes, and restarts (each that took ~ 5 minutes) while I went on with my work. At about the 50 minute mark they seemed to realise (both times) that it was a lost cause - so made excuses and just gave "advice" and hung up. So from that small sample I guess there is a limit to what they are able to sink on a given customer time-wise. My satisfaction was that it was 50 minutes they weren't perhaps attacking someone vulnerable.