There is so much more to get from a uni than just a job offer at the end.
The professors and lecturers you meet. The quality of the learning and the understanding you get of topics. Plus enthusiasm. The quality of opportunities for placements, volunteer work, year in industry, department trips. Quality of facilities like labs. Different unis also will maybe also allow extra learning and being able to do modules in other subjects.
(I was fortunate to be able to study oceanography, along side my degree in astrophysics. The oceanography was amazing, the centre was world class and such interesting material, great fellow students from all over the world and very passionate and intelligent lecturers).
I would argue being at a good uni makes a huge difference to who you are by the end of it.
Filled with amazing opportunities, intelligent and open minded people leading the way in their fields, a more diverse mix of students (this is so great to meet people from all over the world and really learn about and from them).
Its not just about the piece of paper, it's about what you learn, how you learn, who you learn with, it forms you as a person and can really help you develop who you are.
Yes sure you can go to a less challenging uni and just party, but I would argue being around so many inspiring people and spending time following your passions rather than pushing self progress aside and just partying for a few years, would be a strong argument for a good uni.
My job offer didn't even depend on my degree in the end, but it doesn't mean that is really the case. My time at university formed who I am and how I am. And it's an asset to me, I can call on and how I feel about myself. This is worth more than me being valuable to one company. It's how I view myself and how my life went. And in turn this gives me confidence and happiness which inevitably gets carried with me subconsciously where ever I go. Whether it be job interviews or just general life :)