Plenty of my MIT friends explicitly chose MIT over Caltech because they wanted a technical education but also the freedom to deep dive in English or Political Science as well (Caltech has great faculty in the HSS, but class choice was unsurprisingly limited).
That said, based on your account age, I think you studied in the 1980s to early 2000s back when programs were much less interdisciplinary. It's much easier to double major with a STEM and humanities major from the 2010s to present versus before.