People doing incredibly stupid things in order to advance the plot.
The reason for this common plot theme is simple. The writers are not intelligent enough to write intelligent reasons for the plot to advance.
Dumbing down of arts and literature is having a noticable impact on script writing.
Ps. why is it ok to speed up the growth of life forms rather make the passage of time interesting for viewers ? That was so pathetic in all three films especially covenant . Lazy script writing to compliment the stupid script writing