WotC are not investing effectively in the brand. The endless sackings, increasing typos and errors in the print books, slothful progress on electronic tools and shrinking content of the online magazines are all symptoms.
Let's not get hasty.
First, there are these:
That (and stuff I am sure I didn't list) looks like some effective investment in the brand.
- D&D Encounters
- Game Day
- Board Games
- Podcasts
- Recorded gaming sessions
- Essentials
None of which are part of the digital content that WOTC is charging subscribers for. All of those things are either available to the general public, cost additional money, or both.
Dungeon 181 which just compiled the other day has 93 pages. It has 3 adventures in it and has 2 plot hooks (which include background and NPC stat blocks) and has 3 or 4 other minor articles.

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.