That would be ignoring the arguments, as opposed to addressing them. How you define "rationality" shouldn't matter for what particular substantive arguments incite you to do.
If you accept the "rationality is winning" definition, it makes little sense to come up with downsides about rationality, that's what I was trying to point out.
It is quite similar to what you said in this comment.
So after reading SarahC's latest post I noticed that she's gotten a lot out of rationality.
More importantly, she got different things out of it than I have.
Off the top of my head, I've learned...
Where she got...
I've only recently making a habit out of trying new things, and that's been going really well for me. Is there other low hanging fruit that I'm missing?
What cool/important/useful things has rationality gotten you?