yes
True, but iirc S1mon also complained that the other people weren't putting in effort as well and only he got scolded. It's really a 'he said, they said' thing. Ultimately I would just say it's the fault of the management/coaching team for forcing Yoru into the comp when it wasn't working (GenG is an example of how a top team can make it work without him), and now they are trying to fit in a s1mon replacement by putting these new players as breach/Yoru when they don't look comfortable on that agent. First jieni, now zjc.
I mean, if S1Mon really wasn't really locked in during pracs and team discussions as suggested, then there probably was other factors. Also, I feel like a lot of the S1Mon stuff is hindsight to an extent, because Breach has become a lot less popular since then as well. Lastly, I feel like the role of learning Yoru also fell onto S1Mon due to his prior experience on duelist, I truly wonder if he and KK would be playing dbl duelist in another universe.