I disagree, these are fringe players who were thrown in to try and stake a claim for a league start and keep up competition for places. Winchester aside Dayton and Tidser have had little game time and this was an excellent opportunity for them to show ability.
Unfortunately for them it wasn't taken. Whilst personally I thought both Kasunga and Poleon had worse 1st halves we won nothing in midfield, had no press and couldn't string passes together. That to me isn't a tactical error on LJ's part, it is just a number of pro's failing to do what others in the team were capable of second half.
If these players aren't good enough to come in and do a job which the established players are able to do, then I am sure LJ will be scouring the markets for ones that can. This will mean that players like Dayton, Winch and Tidser will be replaced.