Pros
Nothing - Advantage only if you become some old fellows favourite
Cons
totally biased spies all over onsite off shore cold war , they dont like each other low level politics and favouritism keep gossiping outdated technology and backed work old people are reluctant to changes and play with your lives very disgusting old people go to any extent to save their favourits lot of linguistic group-ism people tend to align with person having power trying to be tea/cigarette partner no hike , no new things to learn hard working people are misused , tickets are worked by hard working fellow and updated as resolved by some useless old timer manager if you have to have immunity just become favourite or align with some old timer , and work dont work does not matter victimise a poor person for failure