So, it seems like the owners sold it. And, after they sold it, they wanted to keep using the name and brand. And, that ended up in the courts. On top of that, the guys running it weren't getting paid during the pandemic and bolted after a while.
Maybe that's the story? Maybe it's part of it? Maybe it's totally off? But, the link in the other post shows the lawsuit. And, Mocha is now with PRD. And, AJ is with Artillery. So, something happened.
I don't know about their national team. And, I don't know about the teams outside of NJ playing under the Arsenal name. But it sounds like the NJ Arsenal team thing is unstable now.