That seems to be only a Google thing and they haven’t mentioned which law they think is forcing them to do this, co just using different contact/calendar apps should do the trick.
Nothing says "I don't care about neurodivergence" more than someone complaining when I build tools and processes to help me interact with the world better.
It probably should message YOU rather than the person who's birthday it is, so you can send something personal.
Also coming up, automated wedding/funeral attendance by your personal humanoid robot designed to look and sound like you.