Shadorne, I know of very few people who respect copyright law and refrain from making duplicates of recorded material. Clearly, you are in the majority.
While you make the argument that changing formats by the entertainment companies is driven at least partially by their desire to re-sell back catalogs, I would argue that format change is predominantly based on other factors, such as increased storage capacity, increased playback quality, convenience and ease of use for the consumer.
Copying material has a domino effect that touches many elements in the entertainment business including songwriters and artists...not just the monolithic entertainment companies. In addition to reducing record companies' total sale, the copying of music also reduces artists' and writers' incomes, which in turn triggers their respective unions and/or management representatives to file grievances against the recording companies, which sometimes results in lawsuits, which compells the recording companies to keep expensive lawyers on the payroll, which causes the recording companies to raise the prices of discs, which causes the artists to demand a larger cut of the pie...and on and on.
Part of the response of hardware and software manufacturers to software piracy entails developing and including anti-pirating devices into players and software, which also raises the cost of the products.
Again, I'll re-emphasize that you share the opinion of the clear majority of end users, but the chain reaction created by the cumulative effect of millions of end users innocently duplicating copyrighted material contributes to the circumstances with which you take issue.
