I wouldn't say they are bad idea verbatim, but as they do not have good browser support, it is currently bad practice to rely upon them. I certainly won't be s

I wouldn't say they are bad idea verbatim, but as they do not have good browser support, it is currently bad practice to rely upon them. I certainly won't be swaying from using Sass and the other various benefits you get from a pre-processor. As you say - right now it's a no brainer.