From apparently never cared about the old DSFix mod as I used it like 99.9% of the time. I can't tell you the number of times I've reverted to old saves and tried random graphical tweaks and mods. I still got invaded pretty often there's no shortage of player comments on the ground.
Could just be an empty threat to keep people from going ham.
I used DSFix as well with the original version and reverted to older saves but I'm talking about using actual 3rd party mods which change up gameplay...does From Software clamp down on that?