I agree entirely about the against-the-cage part, JP. There's very little opportunity there for what I'd call "aiki", except in the broader sense where "aiki" is the same as "ju" (using good technique rather than strength).Who am I to challenge that, since I'm not one either. I'm much more practical physicist than traditionalist.
In the way I understand aikido, as I mentioned in the other thread, aikido people don't do two things that judo people (and other folks as well) do -- Lift & Pull. One of our favorite saying is this trite little thing, "Aikido People are Pushy."
I'll give you, it's possible to execute ippon seoinage with neither lift nor pull -- especially if you catch a guy in the act of punching. All you need do is blend, drop a smidge and turn. Blop, thrown puncher. You've got to catch him actually "punching" though. Same-same with hip throw.
The problem my mind's eye is having is with... maybe it's not so much the clinch itself, as that "can" happen in a free-standing state out against nothing at all, in the middle of the ring if you want a visual. It's the up against the cage thing. I can't see either one working in an aikido-way off the cage. Judo? Absolutely. Guy holding the pressure against the cage suddenly releases the pressure, and uses the potential, which will pop the guy off the cage, to enter and throw.
Drop... I'm still in thought about your comment about the clinch having aiki in it. I'm reviewing mental videotapes, using a different perspective. I'll get back to you on that.
And with the Aikido versions of those throws (I hope I'm remembering what ippon seoinage is), they can also happen off some of those long leads that Aikido uses, if they move themselves into the center while they have the person moving - creating the same dynamic as catching the person punching. It's a bit of a stretch if no adaptation is made, I'll grant you, but it (to my mind) still fits within their basic principles and movement.
I like the point about pushing vs. pulling and lifting. I need to give that some consideration. I think as I've improved my technique, I may be teaching less pulling and lifting than I used to, and that's probably not a good thing. Maybe time for me to go play with someone with some Judo. I keep threatening to visit @Tony Dismukes, as he's within a day's drive. Maybe I'll take a couple of days after my current project and see if we can connect.