"[C]alling this reaction 'blackmail'" isn't "a little over the top," it's petulant and incoherent. The basic idea of blackmail is "I know a secret about you and I'll reveal it if you don't give me money."
Musk's present position is that he keeps saying and promoting repulsive stuff in public and so some advertisers prefer to stop supporting or being associated with his business. This isn't remotely like "blackmail": the repulsive stuff is all public to begin with.
Musk's present position is that he keeps saying and promoting repulsive stuff in public and so some advertisers prefer to stop supporting or being associated with his business. This isn't remotely like "blackmail": the repulsive stuff is all public to begin with.