Copyright should be irrelevant immediately, for most of that.
Someone modifying software you sold them is not a pirate. Licenses mean nothing.
Someone sharing a game you stopped selling is a pirate, but if you don’t want money, who cares?
Someone sharing clips of old sports games is not competing with your live broadcast business.
Intellectual property laws don’t need to be brief, to be sane. Most things that rights-cartels freak out over are downright stupid. We can give them what they need without tolerating their every paranoid want. These laws only exist to benefit us.
Simplicity is useful here. I’m willing to spot people a nice round number for ample opportunity to sell their thing. Especially if it means the date on the cover is a guarantee.