He's an employee defending his employer's product. It's not a big deal and may not reflect his actual sentiments, but expecting someone to bite the hand that feeds them is not realistic.
what defending sleater kinney happened... what have they done to be criticized for.. the album was alright. it doesn't seem like there is any bad blood between the members even though janet left. the only thing i've seen on his twitter is him not agreeing with someones more mixed review on twitter