Yes, 'a art' is not grammatically correct. That's why the sentiment 'trolling effectively is an art form which requires finesse and understanding of your audience and medium.' is traditionally expressed as 'trolling is a art.'
But isn’t he, by correcting your grammar, acting unaware of the traditional meme and thereby provoking your response, trolling you? Trolling is an art indeed.
Trolling is a art.
*an
Yes, 'a art' is not grammatically correct. That's why the sentiment 'trolling effectively is an art form which requires finesse and understanding of your audience and medium.' is traditionally expressed as 'trolling is a art.'
But isn’t he, by correcting your grammar, acting unaware of the traditional meme and thereby provoking your response, trolling you? Trolling is an art indeed.