>>534509259
His main flaws are that he is extremely physically weak and has massive self destructive tendacies.
Doctor is his own worst enemy.

>>534508979
A general observation in regards to how he handles child operators
Its primarily visible in his interactions with frit during her chapter of Operational Intelligence and how she grows from it and interacts with doctor in LT, but it also somewhat carries over into his interactions with others like popukar, shamare, and suzuran.
Doctor is a genuinely amazing influence on the kids.