It leads to lock-in which makes it a bad idea, IMHO (and in the opinion of millions of others whose opinions may or may not matter to anyone in particular).

Many companies will not buy single-source parts. Whether or not it's important to any individual is a personal choice, but the situation with respect to hardware and software is analogous. What happens to your business if it depends on a single-source, proprietary program and the vendor of that program goes belly-up or for whatever reason can't or won't provide fixes/updates that are critical to your business?

It's entirely Jon's choice of what to use. I merely offered a suggestion, and gave my reasons for doing so.

As for me, if 90% of the population decides to make like lemmings, I'll sit here and watch the parade.