Fake meaning what? Doostang is just a ridiculous name regardless, but it might have served Google well to see if 'googe' had any other connotations (whether or not they're in Merriam/Webster) before putting it in a logo.
First, the stem of the cherry was intended to be the L, but it's acknowledged that it doesn't look that way.
Secondly, "Googe" doesn't connote anything, unflattering or otherwise.
When I say fake, I mean that people try to invent new words on urbandictionary, and not words that people have ever used before. Don't believe me? Then just click a letter on urbandictionary and read the entries sequentially instead of by popularity.
To sum up: the examples used in the article are completely ineffective, but know what words mean before attaching them to the identity of your company.
The entry in urbandictionary for "googe" tries to be funny but is clearly fake.
I suppose it's technically possible for someone to name their startup something like "Blumpkn", but I'd say this is a non-issue.
It's a good idea to think about a word before buying it as a domain, but that's common sense.