https://www.youtube.com/watch?v=iwcYp-XT7UI
This Lex Friedman interview is pretty explanatory on the topic of responsibility.
A couple of highlights, which point to Comma being at minimum more responsible than Tesla: Comma doesn't advertise itself as anything beyond L2, unlike Tesla; Comma doesn't fuck up eye-detection, it refuses to cooperate with a driver who has their eyes off the road.