With more competition coming into marketplace the costs of transactions inevitably goes down. Charging more for transactions (in either direction) has nothing to do with "payments are costing more to process" lie. This has everything to do with hook-and-charge business approach relying on majority of customers swallowing the arbitrary higher costs because it's more hassles to switch provider, especially for non-techn…
I think you don’t understand the card ecosystem particularly well. My impression (ex Stripe with no inside knowledge) is that Visa has been raising rates. Stripe are doing their best to avoid passing it on. This is one place where it surely became egregious not to. I’ve never seen a company as averse to squeezing users as I had when I was there. The finance guy I worked with produced analysis for the team showing way…
According to the rest of the discussion on this page, Visa and other payment networks refund the interchange fee to payment processors (including Stripe) on refunded transactions.
There is no evidence that Stripe is any more charitable to their users than other payment processors. Stripe offers a commodity service, and increased the cost of using their service. Perhaps Stripe is "doing their best", but their competitors (e.g. Square and Amazon Pay) are doing even better by refunding the processing fee for refunded transactions.