[nl]

It wasn't an apology at all. This is what he said:

@mrgirish not attacking your nationality only your lack of innovation for product development, if you were offended in any way sorry

Let's parse that.

@mrgirish not attacking your nationality only your lack of innovation for product development - here he attempts to justify himself, by trying to explain what he meant.

if you were offended in any way sorry - here he says he is sorry if @mrgirish was offended - NOT that he was sorry for offending.

That's like me saying "Please come out and have Thai with me and my friends. Oh - you don't like Thai food? Sorry to hear that - will I see you there anyway?". In both cases there is no acknowledgement of wrongdoing, and in both cases the other person is effectively blamed for either being offended or for not liking Thai.