Will boys be targeted if they study C2 subject three?

No

Choose the level of your driving license based on your actual situation. Of course, what we can be sure of is that the higher the driver's license level, the wider the range of vehicles that can be driven.

But now automatic transmission cars are very popular. If you only plan to drive automatic cars in the future, C2 will definitely be fine. This has nothing to do with whether you will be laughed at. It is best to choose what suits your needs.