Genesis of the Daleks - S12-E4
Corrected entry: Davros is supposed to be a brilliant scientist, solely responsible for the creation of The Daleks and their programming. Programming The Daleks to accept him as their leader would be the absolute first thing he would do, and it's clear that the Davros death scene was only done for dramatic effect. (00:21:35)
Genesis of the Daleks - S12-E4
Corrected entry: When the Doctor, Harry and Sarah are viewing the meeting on the monitor, a scientist suddenly appears to Gharman's left when Davros starts to speak. (00:13:35)
Correction: Some seconds pass between the two images. Moreover, the problem shot is over the shoulder of the scientist in question and it is difficult to tell from that angle, how close he is to Gharman.
Genesis of the Daleks - S12-E4
Corrected entry: When Davros moves around in his chair, look closely at his stomach and you can see his body rotating. This is the actor pushing the chair with his feet, but Davros is supposed to be paralysed below the waist.
Correction: While this is an accurate description of what is seen on screen, the extent of Davros' injuries are never clarified. It is never stated that he is paralyzed. It's not impossible that he retains some function in his legs and uses them to drive the chair. After all, he never operates the chair with his arm.
Correction: Davros didn't program the behaviour of The Daleks into them (remember that they're not robots) - rather, he altered the genetic structure of the Dalek creatures to make them emotionally underdeveloped. Besides, much of the story is based around Davros's arrogant and delusional nature (he probably assumed that The Daleks would blindly obey him anyway), so it's not really a plot hole that he failed to realise that The Daleks would become treacherous.