That sucks. They were the only people in the payments industry that could (or would) do same-day transfers to your bank account. The best Stripe will do is a 2 day rolling schedule.
Additionally, I think that a company's level of trust with their customers involves some 'coefficient of risk' regarding potential losses to chargebacks against a low or non-existent reserve. I find the topic interesting, especially the consequences at a federal level if you guess wrong and the "customer" turns out to be laundering money.