We were not exactly out of the race for 4th when Van Gaal sent that bunch of kids to take more important roles in really important matches. The thing is that we need some kind of defibrilator hit to make sure everyone starts working their socks off by feeling not so secure about their spots anymore. For as long as we keep on playing the likes of Rashford and Captain Fatfeck over others who should have a chance, we are strapping ourselves when we should not have to.
I'm not sure we need to throw in kids if the idea is to replace Maguire and Rashford to "give them a kick up the arse." Rashford isn't a certain starter anymore and we have Bailly, for all the good he does. Or Jones, I guess.
Personally I don't think it will make any difference, if they've got no pride to play the game then seeing the bench for a few games won't really matter. Rashford is already losing game time and we've seen no response.
But throwing in a bunch of kids is a more complicated question because it's not just about sending messages. It's also what's good for the young player, are they ready to handle it, are they remotely good enough for PL football. We have to be careful with them. The real stand outs should be looked at - but that should be an ongoing process, it shouldn't be about hitting a button because fans have mentally written the season of.
There's a duty to do the right thing for the young players to set them up in football. Maybe we have been too cautious with the likes of Mejbri, but I think overall it's very much a decision taken based on individuals not an overarching response to the club situation.