It sounds like that nasty commenter is in Tony’s 90% and is happy with how things are, so doesn’t want anyone stirring the pot with Medium about the other 10% who are earning pennies. I am just surmising as I don’t know what article they were commenting on or the context.
If a neighbour walked into my yard and told me how to mow, I would tell him sternly what to do with his own grass clippings.