Does “extremely difficult” mean that they would have to take (parent) loans, raid their retirement savings, and/or limit the amount that they could spend on college for any younger siblings you have?
What in particular do you believe to be toxic?
As UMass Amherst, were you admitted directly to the CS major? If not, you need to meet some college grade requirements to get into the CS major: Major Change to CS | Manning College of Information and Computer Sciences | UMass Amherst