First, I said no to LIFETIME royalties, not to a revenue for him.
I would highly prefer give him a 1000% ROI than a lifetime one.
Second, this feature will be made eventually.
The community now seems to doesn't want to pay for it, just because there are other proposals that are more important/requested.
This doesn't mean that the community will never vote for a worker proposal for stealth transfers.
Plus, this seems very important for CNX, so they would want to implement it in graphene anyway.