Worrying trend.
I make mistakes when writing, no matter in what context or format. Like, every other sentence will have an error - which I usually catch and correct.
But hells bells people! If you want to feel like a genius, take a look at other people's posts on any platform you care to mention. The number of people who can't get through a single sentence and have it come out coherently is alarming.
Although it does explain how a demented moron can end up as dictator of a very large and powerful country: it's citizens are at least as bad as he is.