It might be that, but not "obviously". In fact it could also be totally unrelated.
One can imagine devs naming something "Holy" without wanting to reference TempleOS, the Graal VM etc.
Religious inspired references are perfectly common in themselves.
"The name is a reference to another project named GraalVM, except that the goal of this project is not to make a VM, but only to make a JIT as a library."
It might be that, but not "obviously". In fact it could also be totally unrelated.
One can imagine devs naming something "Holy" without wanting to reference TempleOS, the Graal VM etc.
Religious inspired references are perfectly common in themselves.