Let's try this last comment, now hidden, over again.
Q1. Are you getting messages about all of them at once?
Q2. If there was a change in a big long list?
A1., No. A2. Yes.
This problem is spurious including in terms of having been occurring, with different frequency levels, for years. So this is independent of recent sorting out of migration categories.
WikiTree needs to fix this software bug.
What is the use of having a Watchlist which causes spurious triggering of 330+ profile names, the vast, vast majority of which are not actual valid changes?
Some expert in WikiTree needs to get to the bottom of this software bug.
I should not have to go around chasing after who is the right expert.