I left a company once due to some reorg/internal politics while we were in the middle of developing a new system from scratch. 6 years later, I was going to lea

I left a company once due to some reorg/internal politics while we were in the middle of developing a new system from scratch. 6 years later, I was going to leave my then-current job and I got some interest from my old team (that was by that point made up of almost entirely different people) where part of my job would be... decommissioning and migrating tons of people off the system I was developing 6 years ago! I also had expertise in the new stuff they needed but I thought that was funny and also I think it helped me negotiate a good offer...