When someone says that all money a company pays is "money from their main segment", that's intentionally misrepresenting. In this case what's important is what the money is for, not from. Calling it "Firefox had ad-money coming in" can only be bad faith, the usual social media rage bait.

Now everyone comes out of the woodwork with "well akshully" because there's an interpretation where they can plausibly claim "technically I'm right" despite knowing they are sending the wrong message.

Basketball player LeBron James made more money from endorsements than sports, gas stations make more money from selling coffee and food than gas, and fast-food giant McDonald's makes more money from rent than from fast-food. If you called a gas station "a grocery store" you'd be technically right but also practically and pointlessly wrong.