Don't worry. The Lp is over.
I mean, not actually, because there's probably 2 more episodes of this, but yeah you cannot lose 7 soldiers and make it through the first quarter of the game.
They haven't even intercepted the first actual real challenge the game presents you. The great thing about X com is that people who know x com can look at something and go "yeah, it's fucked, kill the save".
If Pat can get past the first Avatar without changing difficulty I will legit give one hundred of my dollars to a real charity of the first person that quotes this' choosing.