we can decide ourselfs if we want mac, windows or ubuntu (no other distro allowed). Our code runs in docker containers and except for the IDE our tools are web-based for the most part anyway, so it doesn’t really matter which OS you use. though I heard there were quite a few issues with docker and Mac when the first M-chip Macs were used. it’s a software company in Germany with ~150 people.
Having a custom domain for email also makes it a lot easier to move email provider in the future if you want/need to since your addresses can stay the same as long as the new provider supports catch-all for all the aliases.