MegaCorp (like say Amazon) would lock the tech up so only their products have it, So instead of being able to pick from a Kindle PaperWhite, OnyxBook, and a Remarkable you would only have the Kindle... and varitions of the Kindle

Medium Corp will license their patent (at extreme rates) to other companies MegaCorp will not.

Medium Corp is better than MegaCorp for consumers most of the time. FRAND licensing even batter, and No Patents at all even better