Hey there. I don't have the Fuji, but I have the K-01+40mm XS.
The 40mm XS on APS-C sensor isn't wide, true, but I havent found it to be a problem. Its perfect for certain styles of landscape photographs. Its focal length also works for portraits, architecture and just about anything "normal". Its an amazing lens that you get in the bundle, very sharp, fast AF, super compact (record holder?), rounded aperture blades for great bokeh, and practically no distortion. The only downside is that its relatively slow for a prime (I mean f-stop, AF is very fast) and doesn't have DoF scale, but that seems to be a general industry trend.
You can get a cheap DA 18-55mm (DA L, DA. DA WR, second hand, whatever) for okay quality and a convenient zoom range. Pentax also makes many other wonderful primes, some very compact ones like 21mm and 70mm. And you can use old primes, like the M 50mm f1.7, that deliver great IQ and cost under $60. I think this is the main advantage, even though you stated that for these purposes you dont care about that.
I know the Fujifilm is well liked, but the K-01 is a very compelling package at a low price and it allows the use of all Kmount lenses. Feel free to take a look at the sample photo function on this forum:
https://www.pentaxforums.com/forums/samplesearch.php
You can search for K-01 + 40mm (ltd or XS, optically they should be virtually identical)