You may draw comparisons, but stay friendly. Do not pick on the one singer you do not like and discuss him or her here. Learn from YouTube experiences.
I have to admit, I know nothing about Giasone, the apparently great opera by Cavalli (1602 - 1676). The story of Jason is legend, of course, intertwined with his counterpart's, Medea.
Jason in authentic outfit.
Watch it twice at least, would be my advice, once for actually listening. He sings splendid there, I find. The other clips from the production look awesome as well. I need this.