What a strange and naive post
If anything those perspectives need to be reunited rather than ignoring one for the other.
The history of humanity is filled with horrors and humans have done the worst to other humans but it is also true that nowhere in history has humanity been, on average, safer.
For that we have to thank all of those who believed in something better and made actual efforts to make a difference
I am not saying categorization is bad, nor even that yours was unreasonable, but let's not forget the purpose of categories: Not having to think about difference, complexities
You would have done better to address and/or counter their points