In my experience, this is pretty normal in large companies like Apple. Coordination costs are real. Unless there's a good reason to standardize on a single tool

In my experience, this is pretty normal in large companies like Apple. Coordination costs are real. Unless there's a good reason to standardize on a single tool, its usually easier for teams to just pick whichever tool makes the most sense based on the problem they're solving and what the team has experience with.