You don't help your case by misleading your prospective customers, who are themselves self-identified "geeks" who might be able to help you make this goal a success.
I used 'Google' because it's really clear for everyone how this company is shaping the world (for the better or the worst).
They might, but that's a rather uphill battle.
I've dared the Google comparison, because in my point of view, It's THE company who is changing the world.
Besides the opaque sign-up scheme and a total disregard for standards (your calendar/contacts "sync" integrates with which clients?), even today your project is much less than Nextcloud...