So you think Warren is just lying through her teeth when her team crunched the numbers on this plan or what
It isn't JUST about taxing individuals
Elizabeth Warren is one of my top candidates for the Democratic primary, but I think people finding issue with the plan are that there's at least a $7.7trillion shortfall that's accounted for in the proposal, as written, in pretty uuhh .... creative ... ways. Presented as no middle class income tax is a little disingenunous, over $1.2trillion is funded in increased taxes on the middle class earned income, but arguably offset as you move away from private insurance. Even after that $1.2t, you're left with $7.7t that's going to be made up for with some ideas that are difficult to implement even if you have a strong mandate for it. Things like 1% taxes and wealth taxes are relatively easy to implement compared to the loosely described "Immigration Reform" and "Military budget cuts."
I don't think they're lying. I think they're presenting a bold plan and a bold financing plan. Bold financing is difficult to achieve realistically. Even if you grant her things like the wealth tax, 1% tax, and 35% tax on foreign income (all difficult things, but probably possible if she had a strong mandate for four years), at least two of her proposals for closing that remaining gap are going to be very difficult to achieve.
Still, you can't hold it against her for being bold... As she said herself, why bother running if you're going to accept business as usual. But boldness can still be criticized as unrealistic or unworkable from both the further left and center of the Democratic primary.