Why Britain disposed of surrendered warships

Why did Britain dispose of the surviving warships it received?

It had its own ships and no intended use for these vessels, so it studied them and then disposed of them.

Britain had no intended use for the surrendered ships under discussion. Keeping them would otherwise have required towing them to the United Kingdom. The Royal Navy already had ships of its own. Inspecting the surrendered vessels for information could therefore be worthwhile without retaining them in service.