It doesn't matter it's about flat-earth, it starts a bad precedent.
For some reason people think context doesn't matter when its actually paramount LOL.
You might just be on to something I think we should let scammers remain untagged as well since its their opinion that they are not scamming and limiting their opinions is a violation of free speech as well...
I also don't think we should ban plagiarists since it's there opinion they are not doing anything wrong!
Murders shouldn't be prosecuted (at least any murder who's opinion is they are doing nothing wrong).
The OP is retarded, mentally unbalanced or lying and we as a society are not doing them or ourselves any favours letting him think hes a special snowflake who somehow beat science.
We literally have 1000's of photo's of the fucking earth, simply put even a retard can look at a picture and say round.
No we shouldn't make room for the OP's opinion we should ridicule and laugh his demonstrably retarded ass out of the fucking gene pool.