His Mum being Diane is quite a CRUCIAL bit of evidence, but unfortunately the absolute TURDS left won’t capitalise on it.
The only contestants capable of reading anything into it are…
ZACH - Who if he does twig that it’s crucial evidence will only be able to present it to the rest of the group in the most CHAOTIC WAY that no one will be able to comprehend or care about.
JAZ - Who will keep it to himself until the ‘time is right’ and inevitably get murdered before that time comes.