Read the majority of the post on here and think there are plenty of takes of what it is right and what is wrong. If Google has decided the bots are smart enough to crawl your .js and .css then let them do it. Just do not think Google would send a crawler through your scripts and style sheets and not be capable to interpret what is in those files for one thing. Secondly, if your hiding something then it would be a problem. The only thing about it is the outcome, that seems to be what everyone is afraid of now a day's. Recommendation, fix what your doing wrong first then let them in, but who's not to say they are doing it and you just do not know it yet. They could be giving you a warning before the negative effect gets you because your running black hat seo.