Rookie Fever Peak Season Or Can We Trust The Analytics?

Honest question. Is the rookie fever causing us to over think a lot of this? In what's been pegged a historically weak class for WR's, can we honestly expect any of these WR's to play solid WR2 or better roles for our teams? I'm someone who greatly undervalues WR3/Flex types of players (Tyler Boyd's and Jahan Dotson's of the world). These kind of guys are solid for irl football but if I need to cross my fingers that the player can fork up double digits even in my weekly fantasy matchup, then I'd usually rather just reroll them into draft picks. So can we actually count on these WR's or are we better off just rerolling this years picks (after the top RB's and few high end WR) into future picks or established players?