Just for the record, I just checked how both Air Caraibes & CorsAir has lovely 3-3-3 on their A330 and Air Caraibes 3-4-3 on their A350, so they're even worse
There are some carriers, like Delta, who have 3-3-3 on both A350 / B777. However, you can't be expecting J comfort on Y ticket, right?