You're not wrong, but students often have to spend more than $300 per semester (not year) just on textbooks.
The fact that students are scammed in one area isn't a compelling argument for them to get scammed in others.
Why don't you ask the students how much they love doing that. I'm sure they'll have nothing but nice things to say.
In my circles it is regular and routine for students to use an older edition, pirate, and/or use library copies. Many students literally can’t afford to buy the books at list price and find other ways to manage.
Oh no books cost money. Have you seen how much tuition is? To be in an old classroom and learn decades old math and English?
It's almost like I could drop out, work on campus and read books at the library for free. I just wasn't Good Looking Will Hunting.
There is a massive amount of criticism around textbook pricing, especially since they include licenses for the software you need to do your homework. Adobe and text book publishers are both inexcusably exploitative.