In fact all six boys are superb this season...
I think this is an overstatement. All of them are very good, making for a strong field, but none is superb. Of the lot, Abhigyan probably has the closest to a pure singing voice, but clearly the others were selected for the distinctive quality of their voices, so they lose nothing.
Nevertheless, I think Swarit's selection was a mistake. Despite his obvious talent, he has no realistic chance. He is too young, regardless of whether they script him into another Tanmay. It's a shame. Had he been groomed for the next season, he would have been an awesome contender, rather than a sacrificial lamb to the TRP gods..