Split - This was a good suspenseful thriller. It's multiple-personality-psuedo-psychology BS, but it'll do. Made me respect Shyamalan more.
Glass - I liked it I guess, but there could have been a simple fix to make me like it a lot more.
You already know if you should see this so there's little point in trying to convince you. If you're the type who likes to dunk on Shyamalan,
don't bother seeing it (unless that's worthwhile for you). If you liked Unbreakable, were ok with Split, and/or are ok with Shyamalan's little Twilight Zone niche, then see it.
There are parts that I like a lot. The twists are fine and to be expected. The one thing that would convert me to a strong thumb up would be (SPOILER):