I think you've fallen into the trap the essay describes.

Of course Claude cannot be "happy" or "empathetic" for any meaningful definitions of those words, just like ELIZA couldn't be happy. It can output text that mimics words an empathetic or happy person might say (say, Julius Caesar if it could speak English), but "it" cannot feel anything. It doesn't have the organs/hormones/sensors to feel things, as Chiang explains.

And, as the essay claims, you know Anthropic doesn't believe Claude has the capacity to be happy, because if it was capable of feeling that way, then they'd be engaging in slavery.