quotation

I've noticed nearly all the headlines on the BBC site have quotes in them. Most of them are "irrelevant" to the story. Is it to protect so they can say it was someone else's words not theirs? Also they seem to use the apostrophe rather than quotations marks.... or is my knowledge of grammar...

HI guys just came back from my INDY, he wants 197.00 pounds to do front and rear brakes on w203 2006 and here is the breakdown LABOUR 1.6HR 88.00 FRONT PADS 38.00 REAR PADS 26.00 SENSOR 9.00 CLEANER 5.00 plus VAT 20% IS IT...