It partially used to work, but a lot of the legal underpinnings were dismantled in the late 90's, and parts of it possibly also in the reagan era.
Right now, MS is doing again with Edge, what they were already slapped rather harshly for, back in the 90's.
> MS is doing again with Edge, what they were already slapped rather harshly for, back in the 90's
The situation feels a little bit different, given that they in this case the ones going up against a deeply-entrenched web monopoly, with a fork of that monopoly's own codebase...