Absolutely this. Linear algebra has been the gift that has kept on giving since the 1800s underpinning everything from quantum mechanics to video games. Unlike

Absolutely this. Linear algebra has been the gift that has kept on giving since the 1800s underpinning everything from quantum mechanics to video games. Unlike most mathematics where you quickly hit a usefulness ceiling, the more linear algebra you learn the more useful it gets - linear algebra is just such a rich subject that there's an ocean of useful things to learn and apply.