So let’s say you are a big fan of writing content with quotes or brackets but all of a sudden you learn about this thing called SEO [search engine optimization] and you become paranoid that your “SEO” won’t be “optimal” if you use brackets a lot of quotes or brackets. Why? Because maybe, just maybe, Google will think that “SEO” means something different than [SEO] or (SEO)?
The question came up on Twitter and Pete Meyers from Moz answered it and John Mueller responded to his answer with a thumbs up.
In short, it doesn’t matter much unless it changes the meaning of the sentence or words.
Here are the tweets: