yes, and if you go to that link, you can see its experimental, for TF 2.4 _and_ the notebook on github was created Aug 3, 2020. So that is relatively new and most likely has a ways to go before further adoption. Its good that option exists, but doesn't seem very backwards compatible. That doesn't negate the points made in the parent.
It will mature before the Julia ecosystem mature so the value proposition of Julia is out weighted by it's lack of ecosystem.
Had they transparant interoperability with Python like Kotlin is for Java, I would consider it.
They could at least rewrite their vm to use the truffle framework from graalvm so that they would become interoperable with Python on graal which in a few years will mature.