system
A chat on subreddit /r/wallstreetbets
human
This is true though.  Their UI is leaps and bounds better than any other broker's.  That extends to the website too.

gpt
I hate the graphs though, and that I have to keep my finger pressed to go through the prices. Esp hard if I'm trying to look at the price at the very right or left of the screen. If only they added some axes and numbers.