What does “Muslim clockmakers” mean in “He (Trump) vowed to take back the country from Muslim clockmakers?

Solution 1:

Please read the entire article, especially the line at the end which states

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The article is satirical (and by satirical, I include non-factual, made-up, or, well, untrue, but intended to be so obviously untrue that nobody is fooled), and "Muslim Clockmakers" is a reference to the 14-year-old student arrested for bringing a homemade (well, repackaged; he didn't actually make it) digital clock to school.

The "quote" from Trump is fabricated.