same here I posted (but I admit not enough posts)
I sort of gave up because I don't understand how this site works and for the topics I wanted to share my content in, there was already few or no contribution or comments....
I think I will try again by trying to participate more (not only posting my content) but I admit that I am lost
Just like you I started using Reddit because of my channel and at first I was like "what the f***". Now I really love it and most of my traffic comes from there. You just have to learn how it works as a community!
The first thing you should know is that most redditers hate people who just drop their content and do not contribute! So at first you should really make this your priority! Find subreddits related to your content, read the subreddits' rules (that's the first thing to do) and start engaging with the people there. You could also check Youtube related subreddits like Newtubers (my favourite) and Youtubers - people give tips, share milestone and interesting stories, ask questions, ask for feedback and give content critique! Try posting your videos on different subreddits (relevant to your content of course) but don't just copy-paste the titles - adjust them to the subreddit's topic. For example, I'm posting videos to the Psychology subreddit. I've noticed that the most upvoted posts there are those with more scientific and research oriented titles so I'm adjusting my titles accordingly ( without making them misleading). After a while you will see in which subreddits people are interested in your content and in which people just don't care or even downvote your posts. I've found 2 subreddits where I receive a lot of attention so far!
You just have to be patient and become a part of the community