Yup, it's a bit edgy, but I kind of understand the author. Common mistakes listed on the site plague the whole internet and it's hard not to get emotionally invested once you start to notice how many people just write incorrectly. A very interesting thing from my observations: people that make these mistakes are usually native speakers, foreigners usually lack vocabulary but don't confuse words. May be related to how the language is learned
However, this feels a bit edgy or just unkind:
> Getting it wrong makes you look stupid. And ugly.
Oh well.