After March patch: trade cancelled right after deal reached

[Maltz]

I am playing a new campaign after patch. First I noticed that it is now much more difficult to find anybody who wants to trade with me. About 85% of the clans simply do not want to trade with me. Well, I agree that trading was overpowered, so I think it is OK to make reaching a trade deal less easily than before.

But my problem lies in the 15% of the clans that do agree to trade. So far I have reached trade deals with 5 clans - Honma, Ashina, Chosokabe, Shoni, and Amako. That's not so bad - if they DO NOT CANCEL the trade IMMEDIATELY on their turn! If you don't want to trade with me, just say so like the 85% others. Don't agree and then immediately regret! This happened to me on Honma, Chosokabe, and Amako. THREE out of Five clans canceled their trade immediately after I reached a deal with them. (But I hooked up with Honma later and they kept the trade from then on. So the success rate overall is 3/6 = 50% so far.) I actually had a marriage deal with Chosokabe to make them very friendly to me, in the hope that they would keep the trade deal. No!

Then came something that really digusts me.
Here is a screenshot:



Here, Takeda asks me to trade with them - if I break trade deals with Chosokabe and Shoni (Chosokabe will immediately break trade when their turn comes up).

The problem is that I just reached the trade deal with these two clans in the same turn, and Takeda has NEVER MET Chosokabe and Shoni. Takeda has absolutely nothing to do with these two clans, either.

Somehow I just feel that game wants to break our trade - whether it makes sense or not. Why can't CA nerf trade income with more sense? Just lower the number of units of foreign goods from some nodes! It is not that hard...