Except he's fucking lifeless. Cavill exists merely to be Space Jesus suffering and dying for our sins (before coming back and turning evil because Snyder really just wants to see Supes kill people). The Supermen in other origin stories have been "realistic" insofar that their stories are grounded, but they have personalities. Characterization. Charm. Look at the scenes in OP, all of them give Clark more character than anything seen in Snyder's mindless CGI explosions, slomo, and color filters. What does Cavill have? Dude has zero personality, zero charisma, he's a total bore to watch.
And the "realism" defense is laughable considering this is a universe where Lex makes a piss IED, Batman spares Superman because their moms have the same name (no he didn't realize Clark had a mother, he already knew that when he taunted Clark about his parents, it's explicitly because her name is Martha that Batman spares him), Clark puts no effort into hiding his identity beyond glasses, and Snyder is clearly just mad that people don't like his Superman. Hence his lashing out that his films "are for grown ups", yet he made sure to let us know Doomsday went to an unoccupied part of the city so he could blow shit up without repeating MoS's fiasco. Snyder's DCEU is not "realistic" at all, it's a Silver Age world of camp mixed with the worst of the Dark Age excesses.