100% this. Big advertisers don't stop spending because they have a moral objection to the content, they stop spending when the customers who disagree with the content boycott and make a lot of noise.
But even in the case they decide to jump ship, other companies will fill the gap. Do you think all the NFL players are going to leave the platform? All the sports journalists? No amount of internet outrage is going to change them, they're too stuck on the platform.