It's just that the last time we had to deal with their customer support, they were so bad someone at the exec level said they were banned from now on. It's to the point we have to explicitely schedule high level meetings and carve out exceptions when they happen to buy products we use.
We work with nearly everyone in the cloud space except Google. That should tell you everything you need to know.
Adopting a massive dependency on a single company is generally a mistake.
It's hard to avoid the massive dependencies, especially if you're starting small and moving fast, because something like Google Workspace or MS 360 or Slack is cost-competitive compared to spinning up your own internal stack of tooling. At least until it isn't, but hopefully your startup has grown enough by then that it can afford to address these concerns.
There are probably some boundaries set by Google's legal team, especially for Workspace.