It was a problem when I went to college, and it still is today. STEM fields are not easy. I witnessed many students arrive on campus and fail their first chemistry or calculus exam, leading them to give up and switch to business.
The one guy in this video complaining about how much time it took him to complete his work doesn’t deserve much sympathy. That’s how it goes: either you’re gifted and can breeze through the work, or you grind it out and do what you need to do.