Reddit's structure is good for some things and awful in others. If you need to find pertinent information quickly like whether or not the new nvidia drivers is gonna brick your computer or you want to find the latest and greatest of cute cat pictures Reddit is a good resource. What Reddit is supremely awful at is any kind of discussion on game balance or any kind or real discussion of anything really. When your default forum organization is done by "best" with "best" being how many upvotes it has, trying to start a debate that goes against the current prevailing consensus means that you can get nuked to oblivion. For a class based shooter like overwatch this problem is further exacerbated by the Tyranny of the majority effect. People who favor or like any one particular character are outnumbered by people who favor any other character. This means it's easier for the reddit mob to band together to hate on a particular character than it is to support any one particular character.
If any of you play Dota and seen the Dota subreddit you see this kind of effect all the time. Characters who aren't in a strong spot sometimes get sympathy threads with a lot of upvotes and then after getting buffed threads hating on that character get a shit ton of upvotes. This recently happened with Timbersaw. You'd see people with Timber flairs go "Please Gaben and Icefrog. Buff Timber he's so fun to play" and he get's like 500 upvotes and you might think wow Reddit likes Timbersaw. And then later when he got buffed you'd see something like "GET THIS CANCER TREE CUTTING GOBLIN OUT OF MY LANE! Aieeeee!" get a thousand upvotes. This is because when timber was weaker people who didn't give two hoots and a poot about him aren't going to bother with downvoting the timber player so it was Timber players doing the upvoting. But after he got buffed, the Timber players don't number high enough to actively downvote people who hate the stronger Timbersaw.
If you ever risked rotting your brain and looked at the official Blizzard forums you see a similar effect because of it's voting system. There are lot of Widow players there who will brigade anyone down into the negatives if you say anything else that isn't "buff widow" despite that on release Widow was a hugely oppressive presence. Not because people have "changed their mind" but just that the majority isn't motivated to up vote or down vote an idea while the widow players are.
The Destiny subreddit is terrible about this.
If you weren't praising bungie right off the bat, you were downvoted to hell. I would ask the guys in the DGAF thread to throw me a few upvotes so I could make it to the front page and get an actual discussion going, but it required more strategy than it should.
But a short way of saying what you said is:
Reddit is great for sharing bad for discussion.
A final note: Because of the different experiences on Console vs PC, you're going to see a lot of misinformation out there. I personally don't care that Genji had a 20% pick rate in a PC tourney, because right now in QP on PSN, there is an average of 3 Genji's per game.