Hey there, Thanks for checking us out :) We have multiple goals we want to achieve with GitHelp, the first one is helping busy open source maintainers to manage all the questions and support requests that comes to them from different sources like GitHub issues, Twitter, Mailing lists, StackOverflow, forums, or even requests for audio and video conversation in one place. You can think of it as ZenDesk for open source…
I've just had bad experiences before with companies that tried to lever off existing communities that didn't want them.
If your product really is great, then you shouldn't have any worries about offering an opt-out because very few people will use it.