The role played by the tax-supported National Science Foundation (through its EHR division) in promoting fuzzy math is a scandal of monumental proportions. This NSF division was captured by fuzzy (constructivist) math fanatics some time ago and has been conducting an aggressive tax-financed campaign ever since to spread the constructivist gospel far and wide.
The results are described in this excellent article in Education Next by Barry Garelick.
Image from Education Next
Hat tip: Joanne Jacobs