You can. You can file an issue on GitHub. That’s how you get the developer to take a look. How to file an Issue
But, given no one else is reporting these same issues there has to be something unique about your particular setup that is either causing the problem or causing the problem to surface. It’s pretty hard to fix something that cannot be reproduced and the first set of suspects is going to be something related to the OS or a defect in the USB controller. The fact that is only occurs after pulling the power points to the OS.
As for the rest, openHAB is not and does not present itself as a commercial product. A Raspberry Pi (or other Single Board Computer) is not the only way to deploy openHAB and openHABian is not either. Be careful not to project too many requirements upon a system that was never intended to meet them. openHAB running on a RPi using openHABian, like any engineering problem, is an exercise in compromise between capability/reliability and ease of deployment. If those compromises don’t meet your needs, you have the option to choose a different approach.