Nobody would invest billions in IP if someone from the street can walk by and take it.Is that such a complex subject to understand? IP is not a different concept than property. People like to say "you can't actually steal IP, you get to keep yours". Of course you can steal IP, by using it or redistributing it without compensating the creator, you reduce the value of their IP. You stole from them by taking part of the…
Gross simplification. The simple fact you reason and write about this question is a direct consuequence of the free availability of IP to you : you learned to write, to compute, to think with books and a free incredibly huge flow of ideas.
You're basically seeing intellectual production as a thing that should be monetized. Most of IP is free fortunately.
> Plus IP expires.
Unless armies of legal teams make sure it doesn't.
I'm always surprised by the fact that many people advocate for free competing markets. But if you remove IP, then it's totally free competition : nobody gets the protection of IP, all players are on the same page. Then all of sudden "investors" don't want to invest anymore because there's not protection. Either those are not very brave, either they're not interested in making the world a better plus but rather interested in winning money because, hey we had a great idea, we _deserve_ to profit on it...