I’m trying to follow OPs logic here – he was using Fujifilm “until X-H1 and X-T4”, which were released two years apart. Ok.
Then I took a visit to camera size to follow the next statements.
Apparently, the X-H2 is to large for him but he used the X-H1, which is exactly the same size, and the X-T4, which is known for its thickness and only marginally smaller.
Then he recommends the OM1, which is about the same size as the X-H2 but with a smaller sensor. Hmm.
As well as the R7, which has a slightly smaller and significantly less capable sensor and is significantly larger than the X-H2, which is allegedly too large.