Ha ha 😀
Don't worry, it's just preventive. If people start calling Intel Macs Mactels informally, and then a company starts SELLING Mactels, that could be worth avoiding. Lots of confusion especially if people think you CAN buy non-Apple Macs. (Worse yet if some company in a country with unenforced piracy laws starts pirating OS X and selling it on their own machines--or selling machines targeted for pirates the way some Linux boxes are meant to run pirated Windows.) Maybe Apple will trademark a couple other variations just in case too.
Neither Apple nor Intel would actually WANT such a name to be used.
(It could be telephony product, but I doubt it.)