No no no no NO. It's time to get rid of Flash. Open-sourcing will make it live forever. Flash has very little to offer that is not at this point duplicated (or improved upon) by others. It's also woefully insecure. "Many eyes make all bugs shallow" will only work for the most trivial bugs in the most common code paths. Plenty of vulnerabilities will remain. In open source, they'll be even easier for attackers to find…
am i being naive?