I can see but we have no control about companies decide to sit on properties.It massively depends to who these properties are sold. If they are sold to another company who buys them for 5 bucks and then locks them again in a vault, then it's a big no.
There are tons of Disney produced contents are in vault for decades after premium era ended in 1997 and Vault Disney ended in 2002. Disney didn’t take good use of them, however some of them aired on TCM 4 times per year before Disney+ launched.
I’m definitely sure that unions don’t like to see studios sit on properties and they probably tried to make studios to expose the properties on free services like YouTube or Tubi.
If WildBrain is interested to buy and they would have to make an offer to Disney to buy unused non-Disney properties, even if they are not for sale. We would hear this on news.The best option to buy the Fox Kids/Saban properties is WildBrain. They also own most DiC cartoons and also Cookie Jar ones.
Many DiC cartoons back in the 80s-90s had their soundtracks composed by Haim Saban and Shuki Levy themselves, and Haim was also implicated in some ways in the creation of them.
In addition, WildBrain does something Disney usually doesn't: and that's posting lots of their cartoons on YouTube. They create (or they used to) YouTube channels for each series and then post all their episodes in English.
If WildBrain would acquire all the Fox Kids/Saban properties from Disney, we would see most (if not all) of the lost shows posted on YouTube, after being lost media for so many years.
We haven’t hear about offer at all and we don’t know about why.