You know how things would REALLY COME FULL CIRCLE?
If violent conflict comes and is visible to Karli... and he goes looking for a weapon or asking Hild to make him one to fight with.
Then Thorfinn sees this and tells him:
So... I guess the Neo Heroes are basically pulling a Syndrome from The Incredibles and are basically creating their own disasters to "save people" and up their clout and support, given that they're outspeeding Saitama to disaster areas.
Metal Knight is probably just a prick in the name of...