(Pro-tip: skip to the bolded part if this is tl;dr for you)
Stack Overflow was (and still is) the site I'm currently the
most engaged and involved on in terms of reviewing, editing and
flagging questions and answers, as well as posting my own
answers. However, the first time a question I answered got
migrated (to Pro Webmasters), I registered an account on there
as well to not only follow the question, but to amend it should
the OP follow suit (by registering an account), or have follow-
up comments.  Regrettably, so many new users and even some semi-
established ones, just don't bother registering on the site
their question has been migrated to and I think this is a real
shame. Particularly for Pro Webmasters, which I think has some
really great potential for massive growth, is awesome in its own
right and deserves way more traffic which could result from the
questions and answers that it could get if more people
registered due to their questions being migrated. As it stands
now, a lot of the answers to migra