My thoughts, having followed much of the responses people in this forum have got from IRCC, is that the department is stretched, desperately trying to meet the targets of invites while trying to vet almost 200 000 people a year under constrained resources but still doing a quality job. Therefore, I think it's going to happen that people slip through the cracks, and no matter what the details are around this case, I'm sure every case officer who signs off on the security portion of our applications has been told to double their caution, at least for the next month, so there isn't another public relations disaster for IRCC.
However, it has been positive to see the volume of PPR emails that people were reporting over the last few days, so maybe the pressure to meet the 6-month deadline (now that they have this progress bar that draws attention to it) exceeds the pressure for caution in security screening.
I just think that if they exposed their case notes in our application centre, while putting the GCMS notes companies out of business, would greatly reduce the amount of stress and possibly drop their call centre requirements to a fraction as we wouldn't be harassing them all the time and only when it was important. My 2c worth...