Another crazy bet on the sports-book for 50 BTC ($355,000) on Liverpool to win the 1st half of their game 
Meh, I'd be more inclined to trust this if the player's profile weren't hidden. I get why a regular player wouldn't want others to see their betting activity, but it seems too easy for someone inside Stake to just make a betslip like this for pr.
Why should someone from the site do thing like this? Any good reasons? I have to say no, Stake will not need to do something like this if what you mean is to attract other gamblers.
It is normal to see players use hidden username especially if they bet big amount. It is for security purpose and to avoid beggars. Security means if he do not hide his username then there is a chance for scammer to try to hack his account.