Strong men eliminate those who are threats, who can be a threat. Putin is very good at this, competitors which had potental are dead, lessor competitors jailed.
This means that anyone close to Putin, is likely lacking in capability, or perhaps more importantly, the ability to lead and drive loyalty.
Weak leaders fall fast, if they try to pick up the sceptre.
This isn't slashot. People don't need personal trolls here. Is there any reason you're following me around?