Hi @Boggle thanks for joining in on the conversions. Good question.
I wouldn’t say I dislike immutable distros. It’s more that after spending time with them, I realized they don’t really fit what attracts me to Linux in the first place.
A big part of Linux for me is the freedom to modify the system however I want. Immutable systems intentionally put some guardrails around that, which for some users and use cases, makes sense for stability, but it starts to feel restrictive for the way I like to use Linux.
That said, Vanilla OS is one of the more interesting projects in that space. The apx system is clever because it tries to solve one of the big friction points by letting you pull packages from different ecosystems without touching the base system. So even though immutable systems aren’t really my thing, Vanilla OS is one I’ve been impressed by, but still won’t use. 
Another distro that caught my attention recently is openSUSE Slowroll. Not immutable, but it feels like a nice middle ground. If someone is curious about the ideas behind immutable systems but isn’t sure they want to go all the way, Slowroll looks like a good compromise.
So immutable distros aren’t really where I landed personally, but projects like Vanilla OS and Slowroll are definitely interesting and worth checking out.