I use it all the time. Every new Dell workstation my company buys, I decrapify it right away. The servers don’t need it. They come pretty much decrapified already.
I haven’t had any problems with the decrapification process and I recommend it.
Remember, you’re using it on a machine right out of the box and if you don’t like the result it’s an easy enough matter to ctrl-F11 the thing back to factory preloaded condition.