"More effective" at what? The state using FOSS is great but that seems quite orthogonal to preventing monopoly abuse by proprietary software vendors. We can do

"More effective" at what? The state using FOSS is great but that seems quite orthogonal to preventing monopoly abuse by proprietary software vendors. We can do both. Edit: I think you may be implying that having a variety of choices available would sufficient to prevent monopolies. That's not true as long as you have multiple companies able to cooperate in doing things like bundling, etc.