Shopify does not care about our complaints, it’s their way of pushing out competing third-party providers. We have the same issue, we were rejected by Shopify payment aka Stripe as we are in the tobacco business.
It’s not only that Shopify is taking a bigger cut of the cake, but they are also on purpose not fixing bugs that affect the third-party providers negatively affecting user experience.
Shopify might be the fastest-growing e-commerce platform at the moment (self proclaimed), but with this kind of practice that journey will likely come to an end.