>Poland's top universities - both of them - are at the very end of international rankings.
It's hard to compare universities, unless you have attended both of them
Innovation output != Quality of teaching
Polish "computer-related" people are very often in top when it comes to e.g security (src: https://ctftime.org/) and top universities grads tends to have open doors to faang
I've seen people from both of those groups speaking very good about the schools they attended