Economies prevent a true monopoly (this case would be OS and configuration monopoly). If it did get support it wouldn't be for long.
There is always a consumer group who is off-the-grid or non-conformist.
These are the people who put up solar panels instead of using the power company, people who use old formats.
Technology always provides substitute products.
35mm and 8mm
Film vs. Movies,
CD vs. MP3 vs. Vinyl vs. Tapes,
Home Phone vs. Cell Phone vs. Inernet Phone vs. Smoke Signals vs. Tin Cans With String vs. Satellite Phones vs. Letters
Companies see niche as a way to exploit the monopolistic convention.
IBM/HP/Dell/Gateway vs. Apple
Windows vs. Unix vs. Linux vs. Apple OS
Direct vs. Open
Product Differentiation is how companies create demand, demand comes from the feeling we think we are going to get if we buy a product.
(Edit: THere will always be other formats anyway: PCs, Handhelds, Mobile phones, Watches, Self Contained Games, PDAs, Holodecks, VR sets, Nuerodevices (which may oneday become a standard if we ever reach the singularity), etc.)
I would cite regulation, but I know you will simply ignore it.
