It's specifically saying that the evidence is that it *doesn't* do the things yo...

glhaynes on Feb 7, 2018 | parent | context | favorite | on: What Teenagers Are Learning from Online Porn

It's specifically saying that the evidence is that it doesn't do the things you mentioned but that one still might "wonder how it helps shape how teenagers talk and think." It doesn't seem to be the author whose ideology is driving their view here.