"We're introducing OKRs, they're for your benefit so you know where to focus and can track how you're improving and the team success, they wont be used to judge your salary"
6 months later
"So yeah that's the most we're gonna offer you for this raise because your OKR score was only..."
My experiences have tended more toward "everybody stresses out about OKRs for a couple weeks every quarter and then you might as well have deleted the file because nobody will ever, ever, ever talk about them again".
6 months later
"So yeah that's the most we're gonna offer you for this raise because your OKR score was only..."
Every time.