It might help to note that specific quote was in the following context;
Pasterski first attracted the attention of the scientific and academic community after single-handedly building her own single-engine airplane in 2008, at age 14, and documenting the process on YouTube. [1]
At age 16, she piloted the aircraft herself over Lake Michigan, becoming the youngest person ever to fly their own plane.
Then comes the quote.
If this quote was referencing 23-year old Sabrina I agree it would be patronizing. In reference to a 14 year old building an airplane and then flying it, I'd say it's pretty spot on.
Seriously, watch the video.