I believe you're being downvoted because you missed the point of the comment you're replying to, which is not (necessarily) trying to imply the convention is that X+ means exactly "more than X" (i.e. >X). You're right that "X or more" (>= X) is an acceptable interpretation. This is not what the comment is nitpicking.
The page we're discussing lists PyCon talks next to the number of viewers. It writes "X or more viewers" as +X; this does not follow any variant of this "convention". It's as if you wrote that you are +30 years old, instead of 30+. The problem is the placement of the +. That's just weird/incorrect.
The page we're discussing lists PyCon talks next to the number of viewers. It writes "X or more viewers" as +X; this does not follow any variant of this "convention". It's as if you wrote that you are +30 years old, instead of 30+. The problem is the placement of the +. That's just weird/incorrect.