So, newer not always means better, just saying
While persisting key architectural ideas certainly has benefits, so does evolving their implementations.
Having said that, I need to add, I am not an expert to say MVCC is good enough to be considered equally good like other write-concurrency mechanism in SQL databases. My example was given to just have a caution when judging, especially that the original counterexample had mentioned notoriously bad architectures (hello, MySQL...)
Linus began work on it in April 1991: https://groups.google.com/g/comp.os.minix/c/dlNtH7RRrGA/m/_R...
Are you referring to C++? That was actually created by a Danish guy, who was also inspired by the object oriented Simula language created in the 60s