If it were universally hated, it'd be gone.
There are some who like it and others hate it with a passion. You could argue that it's a design flaw to offer such a divisive (which the previous models weren't) keyboard without any real alternatives. It would be interesting to see how many would opt for the butterfly version if an otherwise similar setup were available with the older keyboard. For after all, currently you need to give up the retina screen to get the old keyboard in a MacBook Air.