Transportation

I forgot to make this post, but do you know there exists a species known as priority seat gatekeeper aunties?

A few weeks ago, I heard an aunty speaking really loud about something someone tak tau baca She's old, (but not that old, probably in her mid 50s at most?) so someone asked her if she would like to take the priority seat, but then she said no. But she wouldn't let anyone else sit despite it's peak hour so there's one wasted space there.

What's your stance on this? Are regular people not allowed to use the priority seat no matter what, or is it justified as long as there's no one who needs it and you give the seat out as soon as there's someone who needs it?