Basically, just the same old story about Martin getting more fanmail for his role as Sherlock than Bilbo.
Full article here: http://www.nowmagazine.co.uk/celebrity-news/546492/sherlock-star-martin-freeman-i-m-not-so-nice-i-have-no-problem-telling-someone-to-f-ck-off#image1
Non-Martin fans may not know him like us fans do. Some may even find him intimidating somehow like these two:
But I standby my 'judgement' and believe he is a nice person and big softie at heart. =)