What sucks about open source these days is that companies keep reinventing the wheel with their own branding instead of helping improve the wheel that already exists.

I really don't buy it that Go is a poor choice but that Rust isn't. If they had used C/C++, then the argument would sound more compelling.

I think that Oracle has forever tarnished its open source credentials. These days Oracle is synonymous with vendor lock-in which is the antithesis of open source. I think they would have had more success if they had done the announcement anonymously.

It seems like their container builder, Smith, creates OCI [1] images, an open format that can be used from other tools such as runc or rkt.

[1] https://github.com/opencontainers/image-spec