(I work at Stripe.) We take issues like these very seriously, and are working with Coinbase to make sure they get you your Bitcoin. We'll follow up on our email thread as soon as we have an update.
It really appears to me that Stripe's default behavior for an overspend is severely flawed.
This is basic customer service, and it's a sad statement about the current state of things when people think that companies providing it are somehow going above and beyond.
You overestimate how willing people are to say "It is morally unjust that squeaky wheels get the grease" when they could say "Squeak".
Sure it's great that they respond here but when it gets to the point where public shaming is your only venue for support on a regular basis then something is systemically wrong.
It's the new "Fedex to CEO" solution, where now everyone sees dirty laundry regarding grievances. And the companies what these things to disappear quick. Lingering issues = bad press.
I mean, look at the last dumpster-fire here, FireBase. That was a travesty on how crazy and stupid that was. But they ghosted him, and it took Medium/HN to actually get a response.