Oh yes. I can sometimes eat very small amounts of avocado, but daren't overdo it. And sometimes can't eat any avocado at all for a while because my gut is too sensitive to it.
I have IBS-D. I don't know if it's because avocado is high fibre, or if it's because of the natural sorbitol in it, or what. I don't usually get bad reactions to fats (I can eat milk chocolate and I can eat butter)
But avocado has become a "treat" food I can only dare eat bits of on good days.
I honestly wouldn't dare eat trifle. And I have to be careful with fruit. Tinned mandarins would be dodgy for me, I can just sense it. But not necessarily for everyone. We identify our own bad foods through trial and error I know. I have to be a bit careful with all fruits. Even low Fodmap ones.
Half an avocado is rather a lot. The most I dare eat is about a slice approx. 1/2 inch thick...and that's on a good day.