No they weren't; profits are what's left over. If profits were 0.5B your argument wouldn't make any sense. You're just taking arbitrary numbers and comparing them to trick people.
If that's what you want, here you go - https://imgur.com/a/dWrGKuN
If that's what you want, here you go - https://imgur.com/a/dWrGKuN
You could argument that if the credits are not there, Tesla will sell less cars, and the net profit will be even more slim.