The initiative to reward comments is a good one and will motivate people to engage with posts. And you're right without engagement posts are valueless. But at least the commenters should be in it not just for the reward but to provide positive feedback and support. Per my experience, positive comments encourage the author to do more. Thanks for recording your thoughts and have a good weekend.
I'm trying it out for the first time, and hopefully I'll continue to do it. I love ty initiative