Utterly ridiculous

I have seen some bad movies in my life, with plenty of plot holes, but this is something else. What could have been interesting got turned into one ridiculous scene after the other.

1- Right at the moment where they group is done at the ATM and are about to go outside and then just stand stand...because of the hooded guy outside. I guess it's understandable that this would startle you...but the hilariously stupid things they say....oh my. ''Maybe he's just waiting to use the ATM, maybe he doesn't have a card'' Oh man i can't even remember them all. But that part was just sad.

2- three people against one....but they decide to sit it out. Really? Hey i've never been in such a situation, but i found it rather weird that they didnt just make a run for it, all three.

3- A guy eventually comes in, and clearly attacks...(how did the killer even let him go in at all? lol) and turns out to be a janitor. Riiiiiiight....why exactly did he attack the group?

4- After THAT part the killer knew damn well that the door was open...no card needed. Yet he remained trying to get the backdoor open? LMAO!

5- The dude that got stabbed...he's still alive, while the killer is busy on the backdoor, the group has EVERY chance to escape, cause the killer is still very occupied. But what do these stupid *beep* do? They go back into the ATM! Aahahahah!

6- Exactly what was the point? What is the killer's motive? But i guess that can be said about many killers...so i guess we can ignore this one.

7- But how could i forgot the security guard? Oh my. He drives to that ATM, he sees the people screaming,by then he must have seen HELP, but the dumbass gets out and screams...are you ok in there and just walking like a dumbass towards the little building and then gets killed. So damn predictable. So stupid.