The people of Kalos sees gym leaders as celebrity types, this may explain to why these guys had less time out of the gym as they are constantly being hunt down by the paparazzi. Here's what we could pick up from the TV

Viola's prized possessions were given to her by her sister and Valerie
>shares with everyone you want to be the camera in your second life

Grant is an athlete with a reputation among Kalosian youths
>stalks him for eating out of his diet plan

Korrina trains hard to be a master mega-evolutions as her grandfather
>everyone should hype about her newest PR video instead

Ramos wants some time alone in his prime to tend his private gardens
>questions about him loving an inanimate pair of shears for decades and superstitious beliefs

Clemont had been saving up to spend family time with Bonnie in Nimbasa City
>commands the viewers to donate for him instead and made fun of his physiques

Valerie is deeply desired to become a Pokemon to feel what it's like to be them
>criticizes her distaste fashion choice as a model

Olympia spends her lifetime questioning the metaphysical and doing haikus
>spill all the secrets of her supernatural capabilities on national television

Wulfric cares for abandoned and abused Pokemon as a foster father
>tells the whole public that he keeps a private locket with a photo of his Pokemon with him

Outside of Korrina who trains her Pokemon, Grant sport competitions and Wulfric with his Pokemon welfare, would anyone of them go out in public while a bunch of probably rabid and perverse stalkers follow them around? So the next time you say the kalos leaders have no personality or character development like in Unova, blame the paparazzi. note: Elesa and Skyla too was paparazzi fuel