Elon is very interesting guy, on one side he complains about birth rate, on the other side impacts people's mind to not have a kid, because they're not safe in their workplace and expects they must dedicate large part of their lives to his companies
It would be a violation of his job responsibilities, and get him in trouble with shareholders if he was doing anything other than trying to make the company succeed.
Moreover, this is the basic challenge of running a business: if you are you afraid to make hard decisions, the company will collapse and every employee will be out of a job.
Musk makes no secret about how he feels people should be having more children, but at the same time he runs his companies in a way that makes it hard for people to prioritize their families. He intentionally pressures his teams to choose his business over the families that he insists people have.