Correct. As well as SaaS business models which make that even easier and less dependent on sometimes difficult to enforce rules to make the product scarce.
I genuinely don't understand what the point of bringing up copyright here is. Apart from a tiny handful of materials, even physical products rely on legal protections against counterfeits and knockoffs to be scarce. Why do we talk about software as if it's the first and only thing to be artificially scarce?
The value is not in "a copy of windows" it's that all copies of windows come from one supplier.
Yes there can be competing products, that achieve the same goals, or there may be scarcity there too.
Of course, even when achieving the same goals, some products are more desirable than others. There's no scarcity of OS options, but some would seem to be more popular.
