Wrong, partially. During my tenure, MANY under 18 y/o were hired to work on attractions. especially for weekends/seasons. Slowly, though, Universal instituted that TMs had to be 18 to work coasters & Doctor Doom. Now, though, I believe it's 18 to work an attraction. 16-17 can still do foods, merch, and whatnot.
i said ride operators couldn't be 16.
for merch, yup, they are younger