How is it stumbling? Do you mean "slow going"? Because according to Wikipedia, the MEGA65 project was started in 2015, so Mega itself was slow.
These are essentially hobbyist projects, I don't think there's any nails to be placed on any coffins. They get done when they get done, and are not expected to become huge commercial successes.
These are essentially hobbyist projects, I don't think there's any nails to be placed on any coffins. They get done when they get done, and are not expected to become huge commercial successes.