No, you only "need" to do this if you're interested in furthering the claims of license zealots, who are more interested in furthering their personal political

No, you only "need" to do this if you're interested in furthering the claims of license zealots, who are more interested in furthering their personal political goals than they are in allowing computer users to get access to the source code that produced a binary blob. Making "open-source" synonymous with "freeware" is a massive poison pill that has hurt the industry substantially.