I don't mind it when it has a double meaning like Faux news referring to how Fox News is full of bullshit. When it's works like pwnage, rockz, sheepel,lite or animes I agree. Misspelling a word isn't funny it's just stupid. I definetely don't mind words like aint or yall but I do have an issue with double negatives. E.g. - I don't need no education. But here in Australia we use double negatives to say yes and no. Nah, yeah or Yeah, nah. Have you ever read Flowers for Algernon? After reading it I could practically match up the maturity of the internet comments to parts of the book.

Better to...

I wonder if sometimes writers purposely misspell words so they don't show up in the word count for how often a particular person, place or organization is written about, showing popularity online? Likely not many, but maybe some.

Faux is a French loan word. It means false. Its use is perfectly legitimate and well established in proper English, usually to give the flavor of something that's falsely elevated and noble.

As to your other examples, I don't think they're immature. They're just statements people are making. I use the technique myself on occasion. Along with the occasional mild expletive. They're acceptable in informal prose, particularly online and especially on social media.

Ur lucky we rnt txting. It could b worse.

Lol! Faux is a word, it means false.

Duly noted that "libtard" wasn't in the que of examples.

Agreed