"Gsuite has many advantages over office, specifically in collaboration,"
Gsuite is roughly equivalent to O365 for document collaboration. However its significantly inferior for unified comms collaboration.
"security, management."
O365 is so far ahead on these that you have to use a telescope to see GS in the distance behind.
"Part of the problem is that many people assume the free offing is the same as the paid business offering."
Nope. We are talking about GS enterprise.