the comment you responded to was written in english- in this language, the word 'english' can be colloquially understood as meaning 'in terms you understand', as in phrases like 'could you explain that in english?', which is not even the point.

claiming that it is 'absolutely the right thing' to crusade against an entirely abstract 'harm' reeks of one who is "convinced of one's own righteousness especially in contrast with the actions and beliefs of others; narrow-mindedly moralistic" -- https://www.merriam-webster.com/dictionary/self-righteous