It sounds like zero bridges were burnt. The perceived animosity was probably because they felt awkward about it and ended up doing it suboptimally. From what y

It sounds like zero bridges were burnt. The perceived animosity was probably because they felt awkward about it and ended up doing it suboptimally. From what you've written, they very possibly look fondly on your early involvement. Getting demotivated isn't wrong or bad; we're all human. And even if they are salty, the tech world is huge and potential employers rarely dig deep into your past employment. The most important thing is not to dwell on this. It has a large potential to sap energy from future endeavors, which would be much more tragic. Instead, use it as motivation to build even better things.