Especially since they can use any keyboard, like a mechanical keyboard that will feel much better than the laptops.
Given that an iPad is still a full-screen app OS, it may be easier for them to focus mainly on writing by using a dedicated writing app.
However, like many has said, involve your wife, let them pick.
Hopefully, that will not be the case as there is a anti-trust lawsuit possibly coming from DoJ and congress may pass a similar law like DMA. However, the chances are low anything will happen due the upcoming US elections. 😔