Wow, that's a hard question for a cat profile pic like me to answer. Haha.

Let's give a real-life example:

Nicolas Cole X's post = New York Times Square

Nicolas Cole Medium's post = Haunted House in Alaska.

So, I think it might not be the correct answer to pick a platform. Just choose the one that fits your business.

And there are many factors to consider, like:

-Audience culture.

-Switching cost.

-Revenue model.

-Growth opportunity.

Anyway, I'm rooting for you. It's so exciting to see you grow.