Kong is one of my favorite attractions at Universal, though the key is when the outside is working, since that sets the atmosphere. I usually avoid it if they are only running it indoors.
Completely agree, Last rode it in 2016 when it was brand new and loved it, and it still holds up for me. We actually rode Fast and Furious first and I was afraid that would ruin that ride type for the GF but she still liked it.
Never ridden it without the outdoor portion, could definitely see how that would detract, but it's nice they have the option to keep it running in case it rains.