I think this might be what they are talking about. Brilliant video, the story just builds and builds and builds. https://youtu.be/K4yCXIZ32lk

Are there other gasses that could be used. E.g some of the noble gasses like argon or neon?

Metals are made of crystals, they usually defourm along the grain boundaries and fatigue cracks also grow along them. By eliminating those boundaries you reduce the chance for fatigue cracks and make the overall blade stronger.

Also lots of other places (YouTube as an example) allow you to migrate your account indefinitely, over a decade after they were purchased.

That is a very odd failure so not 100% sure. If I had to take a punt I would say the nozzle jammed from the mentioned heat creap issue, eventually the silk pla broke in the extruder as it’s very brittle, combined with retractions. It then was then able to work its way out and make some noodles for you to enjoy.

Polish friend of mine says Radom and Kielce are a bit of a shit hole.

Good human