There are several reasons why such moves may occur:
Career Opportunities: Engineers may choose to switch teams to explore new challenges, work with different technologies, or advance their careers in the highly competitive world of MotoGP. Changing teams can provide fresh perspectives and opportunities for professional growth.
Competitive Factors: MotoGP is a fiercely competitive sport, and teams constantly strive to improve their performance. Engineers may seek opportunities with teams that have a track record of success or are developing innovative technologies. They may believe that joining a different team offers better chances of achieving success or contributing to advancements in the sport.
Team Dynamics and Culture: Like any other workplace, the dynamics and culture within a team can influence an engineer's decision to stay or leave. Factors such as team leadership, work environment, collaboration, and personal relationships can all play a role in an engineer's decision to defect to another team.
It's important to note that the movement of engineers between teams is a common occurrence in motorsports, and it doesn't necessarily indicate any inherent issues with a particular team or manufacturer. MotoGP teams often go through personnel changes as they strive to assemble the best talent to enhance their competitiveness on the track.