dumbed down: adj. Simplified, with a strong connotation of *over*simplified.

:dumbed down: adj. Simplified, with a strong connotation of
*over*simplified. Often, a {marketroid} will insist that
the interfaces and documentation of software be dumbed down after
the designer has burned untold gallons of midnight oil making it
smart. This creates friction. See {user-friendly}.
-- The AI Hackers Dictionary

Related:

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