Personnaly i think it still profitable if you have always the gpu and you doesn't need to buy them, cause the difficulty will increase in somedays i think so let's mine now, it is maybe the end of mining profitable !
I think it is still very profitable now.
you do not think correctly. Chech ethereum profit calculators. With the increase in network hashrate,increase in difficulty due to the dirty bomb and the value which is half what it was 2 months ago, you are wrong. Even a 1070 will net less than a dollar a day after electric cost.