Helmut Marko has claimed that part of the reason that certain teams have closed the gap on Red Bull this season is because they have copied the Milton Keynes' team interpretations of F1's regulations.
Why Sergio Perez's new contract proves Red Bull’s F1 system is broken
Sergio Perez has officially signed a new two-year contract renewal with Red Bull, which will keep him at the team until the end of the 2026 Formula 1 season.