Most of them are very harmless. But the whole thing's just having fun really; it's fun to get together over a similarity and grumble about something different.
Some of them are stupid though. Personally I find the annoyance about 'oftentimes' funny. Now I don't like it because it seems unnecessary, but it's not even an Americanism. I'm pretty damn sure it's been floating around, especially in literary English, for centuries. In this bracket see: Fall. I like the word, but it seems to attract annoyance as being 'wrong'. Which is interesting as it was used in Britain and in America, then at some point after the split Britain got all poncy (us? Quelle surprise) and went back to the Latinate Autumn. I'm not saying the bridge in language and especially pronunciation can't grate on me, but only in a superficial way that's fun to indulge, and I'm sure/would hope works the other way in some way as well.
Some of them are stupid though. Personally I find the annoyance about 'oftentimes' funny. Now I don't like it because it seems unnecessary, but it's not even an Americanism. I'm pretty damn sure it's been floating around, especially in literary English, for centuries. In this bracket see: Fall. I like the word, but it seems to attract annoyance as being 'wrong'. Which is interesting as it was used in Britain and in America, then at some point after the split Britain got all poncy (us? Quelle surprise) and went back to the Latinate Autumn. I'm not saying the bridge in language and especially pronunciation can't grate on me, but only in a superficial way that's fun to indulge, and I'm sure/would hope works the other way in some way as well.