I thought so too at first, as those were the only things that disagreed with my previous style. However, I've been using "standard" for a bit now, and have to say that both of those decisions have really grown on me in light of ecma2015 features. Space after function name works well with generator functions and yield. Semicolon placement has become somewhat less consistent with the new object literal and class syntax and skipping them everywhere has saved me from constantly trying to remember whether I need one after a particular function or method definition.

Why would you prefer single quotes over double quotes? An apostrophe is not just punctuation in English, it is necessary to preserve the meaning of certain words (like "its"/"it's"). So in a way, it can be considered to be another, albeit rare, letter of the alphabet. Now if somebody proposed to delineate strings with the character "x" everyone would agree it's a bad idea. For the same reason, using "'" to delineate strings is also bad, and shouldn't be encouraged.