I was also shocked to see I had flagged quite a few articles, likely because of my own fat fingers.
I have just unflagged all of them, hopefully It helps
I probably downvoted 20% of the time I tried to upvote until I realized I need to pinch-zoom super close and pay attention to the "on clicked" look of the link for the few milliseconds it appears.
Those arrows are not mobile friendly.
It also seems like flagging an article now no longer hides it, which is extra great since the unflag link is right there without even needing to visit the profile to undo a mistap.
Flagging could do with a confirmation prompt perhaps.
there was some stuff I definitely meant to flag like spam or whatever but definitely some stuff that was not supposed to be