[2019] Feeling de-motivated after failing silent spade

I recently picked up GR wildlands again, as I have a new gaming laptop. This was one of my favorite games when it released, at launch I completed it twice, as I loved it that much.

This is my third playthrough and I never got to play all those extra misisons they added. Tried to do operation silent spade and I failed it four times in a row because of the stupid helicopter. First time, I got shot down by one of the choppers that attack you in the canyon (it takes so damn long to lock on!!). Second time, I decided to run away but the chopper hit a hill and exploded. Try three and 4 again, I tried to engage those damn attack choppers but was shot down and this frustrated me so much, I rage quit and have been struggling to get bck into the game again. I haven't played in three weeks now. I love this game but moments like those suck, as the checkpoint makes you start not from the moment you get the chopper, but from when you get the objective, that you need to steal the chopper which means all the enemies re-spawn, forcing you to again get to the chopper which can be tricky as there are several patrols and is frankly just draining if you have to do it four times in a row only to be shot down again.

Any tips?