Intelligent people are in larger orgs too. They learn very quickly that promotions aren't tied to effort and anticipating problems or resolving future problems.
The intelligent, optimistic and genuinely good, helpful people who don't learn this (or refuse to compromise their good nature) end up burning out, getting performance managed or with PTSD
Right, don't work in that org. Find the org with more of the intelligent, optimistic and genuinely good, helpful people.
Some people don't want to give up the job at High Status High Pay Corp. That's the trade-off they are choosing. (Not every HSHP Corp. has to be a bad place to work, however.)
The intelligent, optimistic and genuinely good, helpful people who don't learn this (or refuse to compromise their good nature) end up burning out, getting performance managed or with PTSD