It’s good because it, well… is. It’s well-written, well-drawn, and deals with a lot of characters that people like. It’s also the extremely rare “summer event” that’s actually worth reading and will supposedly have effects on the DCU for years to come. On the other hand, if you don’t like any DC characters, you might not care.
Check out the various IC threads and see if anything sparks your interest.
Especially for all us old X-Factor orphans…