Do you have a source or have other info on this? I have a G Suite Non-Profit account and while it says the "my drive" had 30 GB of storage, the non-profit license also grants us "shared drives" which grant unlimited storage but only in those shared drives. I was wondering if the 1 TB limit is a similar situation.
If storage isn't a concern (just privacy), $6/mo for 30 GB (double what Gmail gives you for free).