Yea, my employer is on Google, it is impossible for me to transition out completely. Even though we would like to move out of Google, it is a herculean task since it is so deeply embedded into the organization. E.g., just having all your Google Docs with Google means there is no straightforward way to retain all the docs, along with all the links etc scattered around in emails, and be able to retain access permissions to the docs in any meaningful way. It is much easier to not get sucked in if you are starting a new company.