Just because the addon is based on LUA script doesn't mean it falls in that spectrum. Cross faction communication is taken very seriously and for obvious reasons. Any addon or modification that will enable it is against TOS and can cause a ban. So please anyone using this addon be aware of the risk. It has always been this way with the faction language converters and always will be.
Not trying to thread crap at all just want to make sure everyone using this is aware of possible risk.