I mean, when has Aria been interesting? Answer: When her plotline has nothing to do with Ezra. She was cute when she was trying to set her mother on dates. She was funny when she was playing at the arcade with that one boy who had the heart condition, or when she went to see him fight. She was interesting when she was trying to be Vivian Darkbloom. She was interesting when she and Spencer were breaking into the office of that hotel. She was interesting when she suddenly had to fly a plane and was like OH HOLY CRAP.
Ezra was involved in 0 of those stories.