"Can Resolve stop sucking already? I don't want to go back to Premiere" must've been my most-said sentence last year. Good to know that the sentiment is the same on the Avid side.
This explains why all the TV people I know still use an Avid version from at least a decade ago...
Sometimes, it's this: https://youtu.be/DL9FXjJPqbE
And yes, like the author suggests in the workaround, it's usually a good idea to change the filename. That also helps communicating that there was a change to your team members.
But if overeager caching is his biggest complaint, I'd say Avid is doing an excellent job ... There's so much more that could go wrong when handing TB-sized videos with GPU filters in real-time.