The people claiming that “not everything happens with equal probability” really don’t seem to know what they are talking about and should read about the problem with probability in MWI (spoiler: there is no such thing as probability in MWI
If you are saying it’s actually about measure, not probability...then not everything happens with equal measure. Note that in the original there were scare quotes around “probability”.
In many worlds, everything happens, but not everything happens with equal “probability
If you are saying it’s actually about measure, not probability...then not everything happens with equal measure. Note that in the original there were scare quotes around “probability”.