Comment by tga_d
Firefox is developed by the Mozilla Corporation, Thunderbird is developed by MZLA. They're both subsidiaries of the same non-profit, but they don't share funds or employees, so it's not clear to me how this could "sap resources".
Firefox is developed by the Mozilla Corporation, Thunderbird is developed by MZLA. They're both subsidiaries of the same non-profit, but they don't share funds or employees, so it's not clear to me how this could "sap resources".