These are rules that you've invented, not every "cancellation" results in a firing even for people posting actually racist stuff. Indeed, there are plenty of people with racist posts who are routinely not fired by these companies.
The contradiction is pretty clear - the guy is decrying these tactics, but still saying this person should be fired using exactly those same tactics.
I can see where you got that implication, it wasn't the intention of my comment - the last few line of the blog post are obviously anti-semitic.
I probably should have used the word "really" rather than "actually", as I was trying to contrast the minor response with the harm of the offense, not contrast other racist things with this racist thing.
The contradiction is pretty clear - the guy is decrying these tactics, but still saying this person should be fired using exactly those same tactics.