that's what counts (idiom): to be important, to have influence
You're late, but you're here. That's what counts.
count for something/anything/nothing
They made me feel my views didn't count for anything. Họ khiến tôi có cảm giác những ý kiến của mình chả có ảnh hưởng/tầm quan trọng/giá trị gì.