It's all just because of the funny sentence duolingo has. Duolingo is known for having funny sentences instead of learning. So that's why
The owl's fine for what you're describing, a few minutes on the train and not in a rush People get proper wound up about it because they want to be fluent in three weeks but if you're just chipping away casually it does the job
Maybe an unpopular opinion but I like the funny sentences. If the sentence is my blue haired cat likes to drink coffee. I know it doesn’t make since but I also know I actually understand the words being used rather than using context clues to guess.