Really, it was chalk full of massive plot-holes...
Younger Jimmy Olsen looking identical to his older dead brother, and looking too old as well. Why did Lois and Clark postpone the wedding for 7 YEARS? Why was Chloe reading a comic to her son (?) that reveals such information... why was Apololipse so easy to get rid of? Darksied so easy to defeat?
Really, it's symbolic of the entire show.
It was good, but far from great. It had awesome moments, surrounded by lots of holes and soap opera lovey drama.
I was more excited by the canadian promos. Not that there where not a bunch of awesome moments, but if we'd gotten to explore such over this last year, it'd have been much better.
In the end, the legacy of Smallville, I think, will be the longest tease in television that in the end, delivered by the skin of it's teeth rather than leaps and bounds as it should have.