Well, they were mostly created, because the alternatives to C and C++ ended up loosing their market share, so current generations aren't usually aware of what came before.
Go is anything hardly new versus what Algol 68, Pascal or Oberon derivative would offer.
Likewise the best part of Rust is their work on how to make affine types from Cyclone, ATS and others into more developer friendly and productive language features, while following the traditional rules of other safe systems languages.
Since it is easier to introduce new languages than bring back old ones, here we are.
Go is anything hardly new versus what Algol 68, Pascal or Oberon derivative would offer.
Likewise the best part of Rust is their work on how to make affine types from Cyclone, ATS and others into more developer friendly and productive language features, while following the traditional rules of other safe systems languages.
Since it is easier to introduce new languages than bring back old ones, here we are.