This is making me feel quietly vindicated in pushing back on migrating our Jenkins/Ansible setup to GHA simply because corporate wanted the new shiny thing. Fortunately the "this will be a lot of work, i.e. cost" argument won.
Mind you, CI does always involve a surprising amount of maintenance. Update churn is real. And Macs still are very much more fiddly to treat as "cattle" machines.
CI is interesting because what really happens is you run a script on someone elses computer but with fairly weird constraints.
I get it's use, especially in large companies and I also get the culture leading up to it being widely used but I can't help but chuckle a bit about the problems we cause for ourselves in this industry.
Mind you, CI does always involve a surprising amount of maintenance. Update churn is real. And Macs still are very much more fiddly to treat as "cattle" machines.