That's really disappointing if they don't upvote you anymore.
To be honest I don't like the 'upvoting' concept of dtube. You get $5 one day, next day $0 and the next day $7. All because the curator sees your content like this. It can be much stable if they follow other dapps curation process. I don't know it's just my personal view.
I didn't know you created a new channel .Congrats to your goals.