These guys didn’t get where they are by being idiots. When and if Bernie implemented his plan, rest assured that these fellows would find ways of NOT paying the aforementioned amounts by whatever means necessary (i.e., finagling exemptions, moving out of the country, the sky’s the limit).
All Bezos etal would need to do is technically qualify as not living in the country by living offshore for the relevant number of months.
These folks have multiple houses, can buy many more as needed, and they can be anywhere in the world.
This is like herding cats—it sounds good until you actually try to do it!