#1 Main roster careers in jeopardy

If you remember nearly three months ago, the McMahon's announced they would be controlling WWE programming going forward (while they obviously control it off-screen).
During that segment, they informed there would be new faces arriving on Raw and SmackDown from the NXT roster, which included EC3, Lacey Evans, Nikki Cross, Heavy Machinery, and Lars Sullivan - who hadn't done much on NXT.
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But their main roster careers turned out to be more pathetic, as Lacey Evans and Nikki Cross competed in the Women's Royal Rumble match after which they were forgotten, EC3 faced Dean Ambrose where he won the first match and lost the second encounter, Heavy Machinery were defeated in two #1 contender's matches for Tag Team Titles opportunities, and Lars Sullivan never made it to the main roster.
All of this highlights the points which I mentioned in this article, as it wasn't the right time to introduce them, there were no proper plans for these stars, and they were just brought up to make WWE's "New Era" special.
The main thing is that the story has always remained the same with every other NXT star, as they achieve a lot of success on WWE's third major brand but begin struggling as soon as they arrive on the main roster.
By looking at former NXT stars' main roster careers, there is no doubt the new four top NXT stars' careers could also be in jeopardy. We can just hope that WWE proves us wrong by giving these new stars successful main roster careers.