It’s near impossible to switch to airbus if an airline is preset entrenched in Boeing. You have to retrain everyone from ground crews to pilots to FAs to maintenance. On top of that you need new suppliers for spare parts, maintenance hubs and contracts.
Also supply is a major issue. Both Airbus and Boeing are back ordered for years, so there isn’t a way to easily switch fleets.
They protect artists AND protect corporations, and you can’t have one without the other. It’s much better the way it is compared to no copyright at all.