The CEO addressed a similar comment on Twitter recently. From what he's saying, it seems Hashicorp is standing by Nomad for the foreseeable future. https://twitter.com/mitchellh/status/1247581788706197504
The only reason they're pursuing this strategy is because they think they can get a piece of the kubernetes market. If that doesn't pan out, they will dump nomad like a bad habit.
For-profit companies aren't open source charities.