I don't believe we had the same teacher. But my third grade teacher said something similar. The teacher led us to believe that printing was for kids, while grown ups do cursive. So, she told us that if we wanted to get ahead in life, we better take learning cursive seriously.
My least favorite cursive letter was the upper case Q. It looked like the number 2. Coincidentally, one of my least favorite recurring Trek character is Q. One had nothing to do with the other, though.
The future doesn't look very promising for cursive. Regarding the fate of cursive, the (hand) writing is on the wall.
On a positive note about cursive, TOS gave us fantastic stories and iconic characters. Let's not forget that it also gave us a beautiful display of cursive signatures/autographs to close out the TOS era.

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