By this logic, they are also currently Embracing and Extending Windows, Office, etc. This doesn't make sense to me. It's their original products, not something they embraced and plan on extinguishing.
They are not extinguishing their own products, but using their products to extinguish alternatives. The example I mentioned actually fits the wikipedia definition quite well in my opinion.
CSS was to a large extent a Microsoft project (when the time came to introduce stylesheets it was more-or-less Opera and Microsoft against Netscape, and Microsoft had many more users than Opera).
Nonetheless Microsoft managed to use CSS to achieve a great deal of user lock-in by refusing to conform to the standard they co-authored.
They are not extinguishing their own products, but using their products to extinguish alternatives. The example I mentioned actually fits the wikipedia definition quite well in my opinion.