Is 32GB of RAM worth the extra $50 for a 5600X build?

Yes. $50 is a small price for peace of mind, and 16GB is starting to feel tight in newer games like Starfield, Hogwarts Legacy, and heavily modded Skyrim or Cities: Skylines that can eat 20GB+. With a browser open, 16GB means fighting the swap file. $50 now is cheaper than buying a second 16GB kit later and hoping it works with your current sticks. Lock in 32GB of 3600 CL16 today and don’t think about it for five years.