Nah, I agree – don’t worry about the grammar; it isn’t a formal introduction (cover letter/CV et al).

In a formal letter, a published article, or maybe to a lesser degree even in an interview, yes I totally agree that presentation and grammar are important.

Blogs are a different medium. They’re more personal and conversational, so everyone needs to find their own style. Sometimes, colloquialisms and imperfect language are what works: some people just don’t pay that much attention to spelling and grammar. So many – I’d say most – blogs and comments have mistakes in them (including your first sentence, by the way). In fact, some of the best blogs, by some of the smartest people in the industry, have only a casual relationship with correct spelling and grammar (Russell Davies and John Grant both come to mind). Perfect language isn’t their point, getting their ideas across is.

Besides, if we all sounded like BBC announcers, the world wouldn’t be very fun.

“(Maybe it’s because it’s a tough industry to get into. Maybe it’s because there’s not as much jobs around.)” Your sentence should say “Maybe it’s because there aren’t as many jobs available.”

Although I understood what you were saying, if you wrote a sentence like this (even in a casual email), you wouldn’t last long. ‘Aren’t as much jobs around’ will leave you going from interview-to-interview wondering why no one is calling you back.

Good luck out there.