Someone who comes off as attacking other departments or teams is probably a toxic individual to work with. Even if they crank out good code quickly, at some point senior engineers are expected to influence others, and attacking others is not conducive to that.

As for rewarding top performers, most places have annual or biannual reviews where people are given bonuses based on individual and company performance. The difference between underperforming and overperforming can be a lot of cash.