I don't mean to be disingenuous, but I am pretty certain that this player honestly believed that he would be asked questions like "who snores the loudest on away trips" or "what is your favourite flavour Monster Munch". Despite this player's performances being under par, in spite of his recent spate of goals, in an average Championship side, I would happily wager that he did not expect questions relating to his form, the form of his team-mates, and further, that of his team.
Which is a pity, because those are the kinds of questions that he did get; some from genuinely concerned supporters, some maybe tinged with sarcasm. Needless to say, those questions went unanswered, and in fact, were retweeted, probably under some misguided notion that the player felt "picked on".
Footballers are not like us ordinary folk. They lead sheltered lives, to an extent, and then use their status to live the kind of lives us mere mortals can dream of. Footballers of even a modest level can hide behind their clubs, their agents, and various PR people. Social networking can seem, to players and fans alike, a great way of engaging with each other, but it is also presents potential problems. Time and time again, some footballers have shown that despite all of their training and advice, they are not able to engage constructively with members of the public.
If this player did not want to answer questions relating to his and his club's on-field performances, he could have avoided it by adding a simple caveat to his initial invitation.
If he had inadvertently omitted to do this, he could have tweeted after receiving awkward questions, that he could not, or was not able to discuss these matters.
However, by retweeting those questions without a reply, he has made himself out to be a victim, whether intentionally or not, and set genuinely concerned fans, who will be with his club long after he has left, up to be abused.
Not a great way of dealing with fans who are already struggling to justify his inclusion in their team's line-up.