Why did Wally quit?

Can you shed some light on the reasons behind Wally's decision to quit? Was it a sudden move or had he been contemplating it for some time? Were there any specific challenges or obstacles that he faced in his role that ultimately led to this decision? Additionally, did he express any concerns or dissatisfaction with the company culture, his colleagues, or the work environment that might have contributed to his resignation? It would be interesting to understand the motivations behind his choice and what, if any, impact it may have on the team and the company as a whole.