The adjustment made their rifles reliably in hitting things, not stronger.
They still are 4 man con squad with no combat scaling at all.
They couldn't really be in a better spot, especially since they are the only engies in the game who do not have any faction unique utility since demo was soft removed from the game.
Nice joke.
But lets be honest: the demo is really good..even after the nerv. You must be only smart with it..and install the game.
They can have flamer upgrade, minesweeper, repair, ... all you need from a supporting unit. they are super cheap and with a merging cons in the back really effective in the early game