I'm not really in favour of spamming someone's email account. So, we'd have to look at other ways of bringing people to notice our plight.Here is an idea.
The Director General in charge of online tests is Marie Josee Dorion (https://www.linkedin.com/in/dorion-marie-josee-87460692/?originalSubdomain=ca)
Her working email address is : marie-josee.dorion@cic.gc.ca
Would it be a good idea for us to write to her requesting for more resources to be deployed into this? As of now, we are look like numbers and statistics to her, so she is not under any pressure to ramp-up processing.