Realizing that mathematical notional is inconsistent and contextual, and potentially confusing if inappropriately generalized, is a common frustrating learning experience, and it's nice to consider alternatives.
But it is not a "calculus flaw".
Also, the sidebars beside this article are filled with unrelated low-quality political clickbait, so perhaps we shouldn't give this site more traffic.
What, specifically, are you suggesting as an alternative?