It seems people are outraged because they don't like it, but they don't seem to be talking about whether it's actually legal. IANAL, but the MIT license specif

It seems people are outraged because they don't like it, but they don't seem to be talking about whether it's actually legal. IANAL, but the MIT license specifically does not say you have to redistribute with the same copyright owner notice. It says the copyright notice and terms must remain, and that you can sublicense it. It doesn't say you can't change the copyright notice.