Lack of F/O action culture has disappeared from Mandala... Capts who didn't wanna play by the CRM were fired a while back... so did the F/Os...
It's more likely the compressor failure. A survivor may have seen fire coming out of the left engine during take off.
This would be consistent with RIM's high EGT from #1 and the compressor deformation found at the wreck.
The PK-LID case is well know that the crew were indisciplined (even by Indonesian standards). The aircraft was relatively light.
PK-RIM out of MES was heavy and at (or exceeded) MTOW. At 3000m of runway and no flaps the aircraft wouldn't have become airborne.
But then, who knows
PK-KAR