The statement It all adds up to normality. as far as I can trace back, was just a simple practical recognition that the MW interpretation of quantum mechanics was consistent with our everyday experience.

A simple, objective, true statement without any imperatives or any overreaching philosophical implications.

Unfortunately, over the time, it became a popular mantra to be repeated every time someone expresses some inconvenient sounding ontological statement that does not fit someone else's warm cozy Star Trek world view.

"It could be, but don' think about that. It always adds up to normality,. anyways... *

Isn't it?