The fallacy of "simple" languages is not understanding the history of programming languages, why and how they grow with the community, assuming they get any adoption at all.
No one among the folks that created Scheme or C, would assert R7RS or C23 are that simple.
They threw many babies out with the bathwater chasing yhe rather unspecified "simplicity" and making parts of the lsngusge more complex to use as a result.