I have always found Reddit useless and confusing.For new DM's I can really recommend https://www.reddit.com/r/DMAcademy/
For more advanced creative DM advice their bigger sister subreddit can be visited https://www.reddit.com/r/DnDBehindTheScreen/
And if you like discussions with GM's from other games you can visit https://www.reddit.com/r/AskGameMasters/
I have always found Reddit useless and confusing.
But, I will say these threads actually make sense to me. They look good, thanks for posting and for something that might just change my mind about reddit.
He's on the list of mine I posted above.Surprised to be the first person to list the AngryGM:http://theangrygm.com it's been a trove of useful stuff for me. (I know his style is not to everyone's taste but there's a ton of good stuff there).