1. You need to make up an arbitrary number of points. Like ten. But you may only have seven points in you, so the rest end up sounding weak.
2. They look like linkbait.
3. Because they look like linkbait, you really don’t want to look like a linkbait fanboy, so you don’t link to them, just to prove you’re not. But the list might be really, really good.
4. They’re too short.
5. They’re too long.
6. They’re a bit Jakob Nielsen.
7.  See - I get to seven and I can’t think of any more points.
8. This is the first weak point.
9. Ok, they’re all pretty weak.
10. Secretly, I really like top ten posts.

Have a great weekend