I was actually and specifically responding to OPs comment that he had previously allowed the USNWR rankings to alter his views and that they were contradicted by his in person meeting. Certainly worth reading through for context if you have the time.
Now to your claim that the schools aren’t peers in CS I would offer a prior post from @sushiritto…
Not going to debate you but certainly would encourage you to provide the OP with any positives about either school instead of taking cheep shots.
FYI the OP isn’t considering pure CS at Brown but instead the Applied Math/CS concentration with a potential certification in Entrepreneurship from the Nelson Center. You are answering a question neither asked or offered.
Not sure how familiar you are with the scope and flexibility that approach offers but thankfully OP seems to be considering it as they make their decision.