Any Jackson 5 release would require an agreement with Jacksons/ their representatives / record companies who control rights and so on. One party might hold any possible release by not agreeing. So this is not solely in the hands of MJ Estate.
Sounds like you're right on the matter
And from what I understand, there's a facebook page for a release of the Victory Tour & here it is:
There's even a YT page made & it's in regards to the "Victory Tour Campaign"
And here's a link to their page