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Remember how poorly Adobe used to support Flash? Maybe this will remind you:
There has always been demand within and outside the FOSS community for an alternative to flash. The FOSS community should have produced something like HTML5 a decade ago.
That's why the whole GPL ideology is silly. They can't meet the demands of users but expect the whole world to adopt the GPL.
The GPL software development model does not work for most software and never will. Calling proprietary software unethical when you can't provide an alternative is a joke. Software to some may be a religion but for the rest of the world it is a tool.
If you can't provide a better drill then go home and try to make a new one. Don't sit at the construction site berating the manager to use different tools when you can't provide an alternative.