That's not really at all how implementing Apple Pay works, and would not affect your non Apple customers. Also, even Apple users can opt to not use Apple Pay if it's offered on a site.
That's the wrong question to ask. Stripe supports Apple Pay but whether or not they do, Stripe is a B2B implementation detail that customers shouldn't ever know or think about. A tiny sliver of them may happen to have heard of Stripe, but your average customer hasn't read Payment Systems in the US, by Carol Coye Benson.