I think it would be clear what they were even without the extra indication -- perhaps personal preference, though.
(This is not to belittle the content you've got -- really interesting stuff, pretty well backed up. awesome.)
Writing politically incorrect comments can cause a lot of high emotions that can ruin the content. Somehow some signal is needed to 'qualify' the content as, say, "not in the usual academic style"! Looks like I need a better signal.
I think it would be clear what they were even without the extra indication -- perhaps personal preference, though.
(This is not to belittle the content you've got -- really interesting stuff, pretty well backed up. awesome.)