While Fujifilm X fans debate endlessly whether or not the hybrid OVF should be completely replaced by an EVF, Leica fans are staunch in their support of the integrated rangefinder/focusing window.
The few dissenters raise suggestions such as the following:
But speculation rises every three or four years in Leica camp as current products reach ostensible end-of-life cycles. Near Consensus is possible among Leica fans because the M system itself is much better targeted toward the best customers for the M.
Fujifilm makes do with people coming up from P&S cameras and down, from dSLRs; users that want everything all the time, and are ready and willing to jump ship at the drop of a hat.