I think this is a misunderstanding of the use of the letters. Although there is definitely some truth to your statement, I don't think is as dark and wicked as

I think this is a misunderstanding of the use of the letters. Although there is definitely some truth to your statement, I don't think is as dark and wicked as it seems. This is a marketing technique to try and get customers to use their tax dispute service, not the communication technique to the government itself. The hypothetical worst case here is that people throw out handwritten mail because every company uses handwritten mail for spam, but, to be fair, if you've gotten a piece of handwritten mail in the last year you're in the minority.