Ehh moreso that the expectations of the student with all possible resources available are much higher than an in person exam from rote. Some proofs on the in person exam would be trivial as they were similar to ones in the textbook. Take home proofs could go several pages and require you to extrapolate from what was learned so far.

One of my math professors would always ask if people wanted an open book take home exam or an in person exam. Those who had taken his classes before knew to never vote for the take home open book, but were always outweighed by the new folks. Hardest exams I took in college by a large margin