Exactly, Shopify as a business can do what it wants. But I will never let software manage my business that I don’t have control over.
I can't imagine this is actually possible in 2026 unless your business is a something like a cash-only lemonade stand.
EXCEPT payments. (Unless you do crypto, which has been used for purchases by <2% of US adults.)
---
And the restrictions are not theoretical.
Most payment providers either outright prohibit (PayPal, CoinBase) or restrict (Stripe) legal gun transactions.
Hateful content is virtually universally banned by processors (see: Gab).