This is worse than hand waving. It is the kind of static typing error one gets when using Astrology to reason about money.
You just cannot compare the value of a projection/guess that doesn't account for inflation with the current instantaneous GDP value (thus completely ignoring the fact that money today is worth more than in 2020) while at the same time not projecting Brazil's current value.
You just cannot compare the value of a projection/guess that doesn't account for inflation with the current instantaneous GDP value (thus completely ignoring the fact that money today is worth more than in 2020) while at the same time not projecting Brazil's current value.