They are both "hurt" financially but that's the competition which is normal and which should drive more innovation and lower the prices for customers.
Where does it say that the money he is asking them to contribute would go to Automattic?
He is throwing things around like: "it's tragedy of the commons", "they are evil capitalists" etc. etc. In another words he wants to "hijack" their market share as they supposedly "hijacked" WordPress' brand, logo or whatever.